Home / 141,071.28-194,671.68-77,407.68

Finding the Fourth Proportional to 141,071.28, 194,671.68 and 77,407.68

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Solution

The fourth proportional to 141,071.28, 194,671.68 and 77,407.68 is: 106,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,071.28 : 194,671.68 = 77,407.68 : x
  2. Step 2: Convert to fraction form
    141,071.28/194,671.68 = 77,407.68/x
  3. Step 3: Cross multiply
    141,071.28x = 194,671.68 × 77,407.68
  4. Step 4: Simplify right side
    141,071.28x = 15,069,083,110.50
  5. Step 5: Solve for x
    x = 15,069,083,110.50/141,071.28
  6. Step 6: Final answer
    x = 106,818.93

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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.