Home / 102,746.57-141,787.44-57,424.73

Finding the Fourth Proportional to 102,746.57, 141,787.44 and 57,424.73

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Solution

The fourth proportional to 102,746.57, 141,787.44 and 57,424.73 is: 79,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,746.57 : 141,787.44 = 57,424.73 : x
  2. Step 2: Convert to fraction form
    102,746.57/141,787.44 = 57,424.73/x
  3. Step 3: Cross multiply
    102,746.57x = 141,787.44 × 57,424.73
  4. Step 4: Simplify right side
    102,746.57x = 8,142,105,459.39
  5. Step 5: Solve for x
    x = 8,142,105,459.39/102,746.57
  6. Step 6: Final answer
    x = 79,244.55

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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.