Home / 102,423.02-141,344.33-57,103.83

Finding the Fourth Proportional to 102,423.02, 141,344.33 and 57,103.83

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Solution

The fourth proportional to 102,423.02, 141,344.33 and 57,103.83 is: 78,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,423.02 : 141,344.33 = 57,103.83 : x
  2. Step 2: Convert to fraction form
    102,423.02/141,344.33 = 57,103.83/x
  3. Step 3: Cross multiply
    102,423.02x = 141,344.33 × 57,103.83
  4. Step 4: Simplify right side
    102,423.02x = 8,071,302,306.26
  5. Step 5: Solve for x
    x = 8,071,302,306.26/102,423.02
  6. Step 6: Final answer
    x = 78,803.60

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1.5x scale

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.