Home / 102,856.62-141,955.25-57,537.12

Finding the Fourth Proportional to 102,856.62, 141,955.25 and 57,537.12

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Solution

The fourth proportional to 102,856.62, 141,955.25 and 57,537.12 is: 79,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,856.62 : 141,955.25 = 57,537.12 : x
  2. Step 2: Convert to fraction form
    102,856.62/141,955.25 = 57,537.12/x
  3. Step 3: Cross multiply
    102,856.62x = 141,955.25 × 57,537.12
  4. Step 4: Simplify right side
    102,856.62x = 8,167,695,966.19
  5. Step 5: Solve for x
    x = 8,167,695,966.19/102,856.62
  6. Step 6: Final answer
    x = 79,408.56

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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.