Home / 109,626.08-151,290.80-61,862

Finding the Fourth Proportional to 109,626.08, 151,290.80 and 61,862

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Solution

The fourth proportional to 109,626.08, 151,290.80 and 61,862 is: 85,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,626.08 : 151,290.80 = 61,862 : x
  2. Step 2: Convert to fraction form
    109,626.08/151,290.80 = 61,862/x
  3. Step 3: Cross multiply
    109,626.08x = 151,290.80 × 61,862
  4. Step 4: Simplify right side
    109,626.08x = 9,359,151,469.60
  5. Step 5: Solve for x
    x = 9,359,151,469.60/109,626.08
  6. Step 6: Final answer
    x = 85,373.40

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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.