Home / 109,148.86-150,625.20-61,402.25

Finding the Fourth Proportional to 109,148.86, 150,625.20 and 61,402.25

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Solution

The fourth proportional to 109,148.86, 150,625.20 and 61,402.25 is: 84,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,148.86 : 150,625.20 = 61,402.25 : x
  2. Step 2: Convert to fraction form
    109,148.86/150,625.20 = 61,402.25/x
  3. Step 3: Cross multiply
    109,148.86x = 150,625.20 × 61,402.25
  4. Step 4: Simplify right side
    109,148.86x = 9,248,726,186.70
  5. Step 5: Solve for x
    x = 9,248,726,186.70/109,148.86
  6. Step 6: Final answer
    x = 84,734.98

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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.