Home / 156,744.90-235,133.79-51,572.10

Finding the Fourth Proportional to 156,744.90, 235,133.79 and 51,572.10

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Solution

The fourth proportional to 156,744.90, 235,133.79 and 51,572.10 is: 77,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.90 : 235,133.79 = 51,572.10 : x
  2. Step 2: Convert to fraction form
    156,744.90/235,133.79 = 51,572.10/x
  3. Step 3: Cross multiply
    156,744.90x = 235,133.79 × 51,572.10
  4. Step 4: Simplify right side
    156,744.90x = 12,126,343,331.26
  5. Step 5: Solve for x
    x = 12,126,343,331.26/156,744.90
  6. Step 6: Final answer
    x = 77,363.56

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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.