Home / 109,284.96-163,946.52-45,242.76

Finding the Fourth Proportional to 109,284.96, 163,946.52 and 45,242.76

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Solution

The fourth proportional to 109,284.96, 163,946.52 and 45,242.76 is: 67,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,284.96 : 163,946.52 = 45,242.76 : x
  2. Step 2: Convert to fraction form
    109,284.96/163,946.52 = 45,242.76/x
  3. Step 3: Cross multiply
    109,284.96x = 163,946.52 × 45,242.76
  4. Step 4: Simplify right side
    109,284.96x = 7,417,393,057.20
  5. Step 5: Solve for x
    x = 7,417,393,057.20/109,284.96
  6. Step 6: Final answer
    x = 67,872.04

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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.