Home / 109,225.60-150,695.18-63,871.45

Finding the Fourth Proportional to 109,225.60, 150,695.18 and 63,871.45

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Solution

The fourth proportional to 109,225.60, 150,695.18 and 63,871.45 is: 88,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225.60 : 150,695.18 = 63,871.45 : x
  2. Step 2: Convert to fraction form
    109,225.60/150,695.18 = 63,871.45/x
  3. Step 3: Cross multiply
    109,225.60x = 150,695.18 × 63,871.45
  4. Step 4: Simplify right side
    109,225.60x = 9,625,118,901.14
  5. Step 5: Solve for x
    x = 9,625,118,901.14/109,225.60
  6. Step 6: Final answer
    x = 88,121.46

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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.