Home / 125,823.20-173,637.92-72,112.92

Finding the Fourth Proportional to 125,823.20, 173,637.92 and 72,112.92

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Solution

The fourth proportional to 125,823.20, 173,637.92 and 72,112.92 is: 99,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,823.20 : 173,637.92 = 72,112.92 : x
  2. Step 2: Convert to fraction form
    125,823.20/173,637.92 = 72,112.92/x
  3. Step 3: Cross multiply
    125,823.20x = 173,637.92 × 72,112.92
  4. Step 4: Simplify right side
    125,823.20x = 12,521,537,433.93
  5. Step 5: Solve for x
    x = 12,521,537,433.93/125,823.20
  6. Step 6: Final answer
    x = 99,516.92

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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.