Home / 138,064.23-206,088.39-118,468.71

Finding the Fourth Proportional to 138,064.23, 206,088.39 and 118,468.71

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Solution

The fourth proportional to 138,064.23, 206,088.39 and 118,468.71 is: 176,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,064.23 : 206,088.39 = 118,468.71 : x
  2. Step 2: Convert to fraction form
    138,064.23/206,088.39 = 118,468.71/x
  3. Step 3: Cross multiply
    138,064.23x = 206,088.39 × 118,468.71
  4. Step 4: Simplify right side
    138,064.23x = 24,415,025,709.28
  5. Step 5: Solve for x
    x = 24,415,025,709.28/138,064.23
  6. Step 6: Final answer
    x = 176,838.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.