Home / 157,273.20-235,909.80-83,545.20

Finding the Fourth Proportional to 157,273.20, 235,909.80 and 83,545.20

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Solution

The fourth proportional to 157,273.20, 235,909.80 and 83,545.20 is: 125,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,273.20 : 235,909.80 = 83,545.20 : x
  2. Step 2: Convert to fraction form
    157,273.20/235,909.80 = 83,545.20/x
  3. Step 3: Cross multiply
    157,273.20x = 235,909.80 × 83,545.20
  4. Step 4: Simplify right side
    157,273.20x = 19,709,131,422.96
  5. Step 5: Solve for x
    x = 19,709,131,422.96/157,273.20
  6. Step 6: Final answer
    x = 125,317.80

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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.