Home / 113,083.45-156,043.67-67,760.30

Finding the Fourth Proportional to 113,083.45, 156,043.67 and 67,760.30

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Solution

The fourth proportional to 113,083.45, 156,043.67 and 67,760.30 is: 93,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,083.45 : 156,043.67 = 67,760.30 : x
  2. Step 2: Convert to fraction form
    113,083.45/156,043.67 = 67,760.30/x
  3. Step 3: Cross multiply
    113,083.45x = 156,043.67 × 67,760.30
  4. Step 4: Simplify right side
    113,083.45x = 10,573,565,943.61
  5. Step 5: Solve for x
    x = 10,573,565,943.61/113,083.45
  6. Step 6: Final answer
    x = 93,502.33

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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.