Home / 118,252.57-163,366.26-77,513.39

Finding the Fourth Proportional to 118,252.57, 163,366.26 and 77,513.39

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Solution

The fourth proportional to 118,252.57, 163,366.26 and 77,513.39 is: 107,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,252.57 : 163,366.26 = 77,513.39 : x
  2. Step 2: Convert to fraction form
    118,252.57/163,366.26 = 77,513.39/x
  3. Step 3: Cross multiply
    118,252.57x = 163,366.26 × 77,513.39
  4. Step 4: Simplify right side
    118,252.57x = 12,663,072,624.22
  5. Step 5: Solve for x
    x = 12,663,072,624.22/118,252.57
  6. Step 6: Final answer
    x = 107,084.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.