Home / 102,358.39-141,255.59-59,917.81

Finding the Fourth Proportional to 102,358.39, 141,255.59 and 59,917.81

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Solution

The fourth proportional to 102,358.39, 141,255.59 and 59,917.81 is: 82,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,358.39 : 141,255.59 = 59,917.81 : x
  2. Step 2: Convert to fraction form
    102,358.39/141,255.59 = 59,917.81/x
  3. Step 3: Cross multiply
    102,358.39x = 141,255.59 × 59,917.81
  4. Step 4: Simplify right side
    102,358.39x = 8,463,725,303.47
  5. Step 5: Solve for x
    x = 8,463,725,303.47/102,358.39
  6. Step 6: Final answer
    x = 82,687.17

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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.