Home / 125,164.47-187,870.06-89,180.90

Finding the Fourth Proportional to 125,164.47, 187,870.06 and 89,180.90

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Solution

The fourth proportional to 125,164.47, 187,870.06 and 89,180.90 is: 133,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.47 : 187,870.06 = 89,180.90 : x
  2. Step 2: Convert to fraction form
    125,164.47/187,870.06 = 89,180.90/x
  3. Step 3: Cross multiply
    125,164.47x = 187,870.06 × 89,180.90
  4. Step 4: Simplify right side
    125,164.47x = 16,754,421,033.85
  5. Step 5: Solve for x
    x = 16,754,421,033.85/125,164.47
  6. Step 6: Final answer
    x = 133,859.24

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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.