Home / 109,265.16-163,975.50-84,330.12

Finding the Fourth Proportional to 109,265.16, 163,975.50 and 84,330.12

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Solution

The fourth proportional to 109,265.16, 163,975.50 and 84,330.12 is: 126,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,265.16 : 163,975.50 = 84,330.12 : x
  2. Step 2: Convert to fraction form
    109,265.16/163,975.50 = 84,330.12/x
  3. Step 3: Cross multiply
    109,265.16x = 163,975.50 × 84,330.12
  4. Step 4: Simplify right side
    109,265.16x = 13,828,073,592.06
  5. Step 5: Solve for x
    x = 13,828,073,592.06/109,265.16
  6. Step 6: Final answer
    x = 126,555.19

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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.