Home / 109,149.32-150,625.02-61,402.94

Finding the Fourth Proportional to 109,149.32, 150,625.02 and 61,402.94

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Solution

The fourth proportional to 109,149.32, 150,625.02 and 61,402.94 is: 84,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149.32 : 150,625.02 = 61,402.94 : x
  2. Step 2: Convert to fraction form
    109,149.32/150,625.02 = 61,402.94/x
  3. Step 3: Cross multiply
    109,149.32x = 150,625.02 × 61,402.94
  4. Step 4: Simplify right side
    109,149.32x = 9,248,819,065.56
  5. Step 5: Solve for x
    x = 9,248,819,065.56/109,149.32
  6. Step 6: Final answer
    x = 84,735.47

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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.