Home / 109,587.60-151,182.88-64,242.60

Finding the Fourth Proportional to 109,587.60, 151,182.88 and 64,242.60

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Solution

The fourth proportional to 109,587.60, 151,182.88 and 64,242.60 is: 88,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,587.60 : 151,182.88 = 64,242.60 : x
  2. Step 2: Convert to fraction form
    109,587.60/151,182.88 = 64,242.60/x
  3. Step 3: Cross multiply
    109,587.60x = 151,182.88 × 64,242.60
  4. Step 4: Simplify right side
    109,587.60x = 9,712,381,286.69
  5. Step 5: Solve for x
    x = 9,712,381,286.69/109,587.60
  6. Step 6: Final answer
    x = 88,626.64

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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.