Home / 141,718.59-195,562.66-78,056.38

Finding the Fourth Proportional to 141,718.59, 195,562.66 and 78,056.38

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Solution

The fourth proportional to 141,718.59, 195,562.66 and 78,056.38 is: 107,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,718.59 : 195,562.66 = 78,056.38 : x
  2. Step 2: Convert to fraction form
    141,718.59/195,562.66 = 78,056.38/x
  3. Step 3: Cross multiply
    141,718.59x = 195,562.66 × 78,056.38
  4. Step 4: Simplify right side
    141,718.59x = 15,264,913,302.77
  5. Step 5: Solve for x
    x = 15,264,913,302.77/141,718.59
  6. Step 6: Final answer
    x = 107,712.85

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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.