Home / 152,032.70-228,049.05-77,123.90

Finding the Fourth Proportional to 152,032.70, 228,049.05 and 77,123.90

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Solution

The fourth proportional to 152,032.70, 228,049.05 and 77,123.90 is: 115,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,032.70 : 228,049.05 = 77,123.90 : x
  2. Step 2: Convert to fraction form
    152,032.70/228,049.05 = 77,123.90/x
  3. Step 3: Cross multiply
    152,032.70x = 228,049.05 × 77,123.90
  4. Step 4: Simplify right side
    152,032.70x = 17,588,032,127.30
  5. Step 5: Solve for x
    x = 17,588,032,127.30/152,032.70
  6. Step 6: Final answer
    x = 115,685.85

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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.