Home / 109,215.60-163,823.40-93,469.20

Finding the Fourth Proportional to 109,215.60, 163,823.40 and 93,469.20

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Solution

The fourth proportional to 109,215.60, 163,823.40 and 93,469.20 is: 140,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,215.60 : 163,823.40 = 93,469.20 : x
  2. Step 2: Convert to fraction form
    109,215.60/163,823.40 = 93,469.20/x
  3. Step 3: Cross multiply
    109,215.60x = 163,823.40 × 93,469.20
  4. Step 4: Simplify right side
    109,215.60x = 15,312,442,139.28
  5. Step 5: Solve for x
    x = 15,312,442,139.28/109,215.60
  6. Step 6: Final answer
    x = 140,203.80

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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.