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Finding the Fourth Proportional to 161,654.80, 242,525.40 and 144,245.20

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Solution

The fourth proportional to 161,654.80, 242,525.40 and 144,245.20 is: 216,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,654.80 : 242,525.40 = 144,245.20 : x
  2. Step 2: Convert to fraction form
    161,654.80/242,525.40 = 144,245.20/x
  3. Step 3: Cross multiply
    161,654.80x = 242,525.40 × 144,245.20
  4. Step 4: Simplify right side
    161,654.80x = 34,983,124,828.08
  5. Step 5: Solve for x
    x = 34,983,124,828.08/161,654.80
  6. Step 6: Final answer
    x = 216,406.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.