Home / 103,921.40-155,882.10-37,363.70

Finding the Fourth Proportional to 103,921.40, 155,882.10 and 37,363.70

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Solution

The fourth proportional to 103,921.40, 155,882.10 and 37,363.70 is: 56,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,921.40 : 155,882.10 = 37,363.70 : x
  2. Step 2: Convert to fraction form
    103,921.40/155,882.10 = 37,363.70/x
  3. Step 3: Cross multiply
    103,921.40x = 155,882.10 × 37,363.70
  4. Step 4: Simplify right side
    103,921.40x = 5,824,332,019.77
  5. Step 5: Solve for x
    x = 5,824,332,019.77/103,921.40
  6. Step 6: Final answer
    x = 56,045.55

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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.