Home / 113,012.25-155,964.20-62,711.25

Finding the Fourth Proportional to 113,012.25, 155,964.20 and 62,711.25

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Solution

The fourth proportional to 113,012.25, 155,964.20 and 62,711.25 is: 86,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,012.25 : 155,964.20 = 62,711.25 : x
  2. Step 2: Convert to fraction form
    113,012.25/155,964.20 = 62,711.25/x
  3. Step 3: Cross multiply
    113,012.25x = 155,964.20 × 62,711.25
  4. Step 4: Simplify right side
    113,012.25x = 9,780,709,623.69
  5. Step 5: Solve for x
    x = 9,780,709,623.69/113,012.25
  6. Step 6: Final answer
    x = 86,545.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.