Home / 109,258.12-163,887.18-62,478.28

Finding the Fourth Proportional to 109,258.12, 163,887.18 and 62,478.28

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Solution

The fourth proportional to 109,258.12, 163,887.18 and 62,478.28 is: 93,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,258.12 : 163,887.18 = 62,478.28 : x
  2. Step 2: Convert to fraction form
    109,258.12/163,887.18 = 62,478.28/x
  3. Step 3: Cross multiply
    109,258.12x = 163,887.18 × 62,478.28
  4. Step 4: Simplify right side
    109,258.12x = 10,239,389,120.45
  5. Step 5: Solve for x
    x = 10,239,389,120.45/109,258.12
  6. Step 6: Final answer
    x = 93,717.42

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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.