Home / 102,825.95-141,901.73-57,508.94

Finding the Fourth Proportional to 102,825.95, 141,901.73 and 57,508.94

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Solution

The fourth proportional to 102,825.95, 141,901.73 and 57,508.94 is: 79,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,825.95 : 141,901.73 = 57,508.94 : x
  2. Step 2: Convert to fraction form
    102,825.95/141,901.73 = 57,508.94/x
  3. Step 3: Cross multiply
    102,825.95x = 141,901.73 × 57,508.94
  4. Step 4: Simplify right side
    102,825.95x = 8,160,617,079.41
  5. Step 5: Solve for x
    x = 8,160,617,079.41/102,825.95
  6. Step 6: Final answer
    x = 79,363.40

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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.