Home / 77,159.16-106,242.94-67,545.24

Finding the Fourth Proportional to 77,159.16, 106,242.94 and 67,545.24

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Solution

The fourth proportional to 77,159.16, 106,242.94 and 67,545.24 is: 93,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,159.16 : 106,242.94 = 67,545.24 : x
  2. Step 2: Convert to fraction form
    77,159.16/106,242.94 = 67,545.24/x
  3. Step 3: Cross multiply
    77,159.16x = 106,242.94 × 67,545.24
  4. Step 4: Simplify right side
    77,159.16x = 7,176,204,566.63
  5. Step 5: Solve for x
    x = 7,176,204,566.63/77,159.16
  6. Step 6: Final answer
    x = 93,005.22

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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.