Home / 152,312.78-228,333.54-72,301.39

Finding the Fourth Proportional to 152,312.78, 228,333.54 and 72,301.39

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Solution

The fourth proportional to 152,312.78, 228,333.54 and 72,301.39 is: 108,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,312.78 : 228,333.54 = 72,301.39 : x
  2. Step 2: Convert to fraction form
    152,312.78/228,333.54 = 72,301.39/x
  3. Step 3: Cross multiply
    152,312.78x = 228,333.54 × 72,301.39
  4. Step 4: Simplify right side
    152,312.78x = 16,508,832,325.62
  5. Step 5: Solve for x
    x = 16,508,832,325.62/152,312.78
  6. Step 6: Final answer
    x = 108,387.70

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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.