Home / 437,572.20-656,358.30-105,148.20

Finding the Fourth Proportional to 437,572.20, 656,358.30 and 105,148.20

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Solution

The fourth proportional to 437,572.20, 656,358.30 and 105,148.20 is: 157,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,572.20 : 656,358.30 = 105,148.20 : x
  2. Step 2: Convert to fraction form
    437,572.20/656,358.30 = 105,148.20/x
  3. Step 3: Cross multiply
    437,572.20x = 656,358.30 × 105,148.20
  4. Step 4: Simplify right side
    437,572.20x = 69,014,893,800.06
  5. Step 5: Solve for x
    x = 69,014,893,800.06/437,572.20
  6. Step 6: Final answer
    x = 157,722.30

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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.