Home / 102,510.85-141,465.14-56,569.42

Finding the Fourth Proportional to 102,510.85, 141,465.14 and 56,569.42

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Solution

The fourth proportional to 102,510.85, 141,465.14 and 56,569.42 is: 78,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,510.85 : 141,465.14 = 56,569.42 : x
  2. Step 2: Convert to fraction form
    102,510.85/141,465.14 = 56,569.42/x
  3. Step 3: Cross multiply
    102,510.85x = 141,465.14 × 56,569.42
  4. Step 4: Simplify right side
    102,510.85x = 8,002,600,920.02
  5. Step 5: Solve for x
    x = 8,002,600,920.02/102,510.85
  6. Step 6: Final answer
    x = 78,065.89

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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.