Home / 242,562.20-364,016.10-102,421.40

Finding the Fourth Proportional to 242,562.20, 364,016.10 and 102,421.40

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Solution

The fourth proportional to 242,562.20, 364,016.10 and 102,421.40 is: 153,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,562.20 : 364,016.10 = 102,421.40 : x
  2. Step 2: Convert to fraction form
    242,562.20/364,016.10 = 102,421.40/x
  3. Step 3: Cross multiply
    242,562.20x = 364,016.10 × 102,421.40
  4. Step 4: Simplify right side
    242,562.20x = 37,283,038,584.54
  5. Step 5: Solve for x
    x = 37,283,038,584.54/242,562.20
  6. Step 6: Final answer
    x = 153,705.06

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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.