Home / 109,374.12-150,937.02-64,078.92

Finding the Fourth Proportional to 109,374.12, 150,937.02 and 64,078.92

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Solution

The fourth proportional to 109,374.12, 150,937.02 and 64,078.92 is: 88,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,374.12 : 150,937.02 = 64,078.92 : x
  2. Step 2: Convert to fraction form
    109,374.12/150,937.02 = 64,078.92/x
  3. Step 3: Cross multiply
    109,374.12x = 150,937.02 × 64,078.92
  4. Step 4: Simplify right side
    109,374.12x = 9,671,881,229.62
  5. Step 5: Solve for x
    x = 9,671,881,229.62/109,374.12
  6. Step 6: Final answer
    x = 88,429.34

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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.