Home / 96,869.70-145,304.55-84,816.90

Finding the Fourth Proportional to 96,869.70, 145,304.55 and 84,816.90

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Solution

The fourth proportional to 96,869.70, 145,304.55 and 84,816.90 is: 127,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,869.70 : 145,304.55 = 84,816.90 : x
  2. Step 2: Convert to fraction form
    96,869.70/145,304.55 = 84,816.90/x
  3. Step 3: Cross multiply
    96,869.70x = 145,304.55 × 84,816.90
  4. Step 4: Simplify right side
    96,869.70x = 12,324,281,486.90
  5. Step 5: Solve for x
    x = 12,324,281,486.90/96,869.70
  6. Step 6: Final answer
    x = 127,225.35

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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.