Home / 109,173.60-163,760.40-62,431.20

Finding the Fourth Proportional to 109,173.60, 163,760.40 and 62,431.20

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Solution

The fourth proportional to 109,173.60, 163,760.40 and 62,431.20 is: 93,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,173.60 : 163,760.40 = 62,431.20 : x
  2. Step 2: Convert to fraction form
    109,173.60/163,760.40 = 62,431.20/x
  3. Step 3: Cross multiply
    109,173.60x = 163,760.40 × 62,431.20
  4. Step 4: Simplify right side
    109,173.60x = 10,223,758,284.48
  5. Step 5: Solve for x
    x = 10,223,758,284.48/109,173.60
  6. Step 6: Final answer
    x = 93,646.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.