Home / 141,502.34-195,277.03-77,841.81

Finding the Fourth Proportional to 141,502.34, 195,277.03 and 77,841.81

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Solution

The fourth proportional to 141,502.34, 195,277.03 and 77,841.81 is: 107,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,502.34 : 195,277.03 = 77,841.81 : x
  2. Step 2: Convert to fraction form
    141,502.34/195,277.03 = 77,841.81/x
  3. Step 3: Cross multiply
    141,502.34x = 195,277.03 × 77,841.81
  4. Step 4: Simplify right side
    141,502.34x = 15,200,717,272.02
  5. Step 5: Solve for x
    x = 15,200,717,272.02/141,502.34
  6. Step 6: Final answer
    x = 107,423.79

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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.