Home / 152,531.46-228,661.10-77,609.70

Finding the Fourth Proportional to 152,531.46, 228,661.10 and 77,609.70

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Solution

The fourth proportional to 152,531.46, 228,661.10 and 77,609.70 is: 116,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,531.46 : 228,661.10 = 77,609.70 : x
  2. Step 2: Convert to fraction form
    152,531.46/228,661.10 = 77,609.70/x
  3. Step 3: Cross multiply
    152,531.46x = 228,661.10 × 77,609.70
  4. Step 4: Simplify right side
    152,531.46x = 17,746,319,372.67
  5. Step 5: Solve for x
    x = 17,746,319,372.67/152,531.46
  6. Step 6: Final answer
    x = 116,345.31

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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.