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Finding the Fourth Proportional to 159,967.80, 240,000.30 and 89,800.20

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Solution

The fourth proportional to 159,967.80, 240,000.30 and 89,800.20 is: 134,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,967.80 : 240,000.30 = 89,800.20 : x
  2. Step 2: Convert to fraction form
    159,967.80/240,000.30 = 89,800.20/x
  3. Step 3: Cross multiply
    159,967.80x = 240,000.30 × 89,800.20
  4. Step 4: Simplify right side
    159,967.80x = 21,552,074,940.06
  5. Step 5: Solve for x
    x = 21,552,074,940.06/159,967.80
  6. Step 6: Final answer
    x = 134,727.58

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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.