Home / 146,421.60-202,060.08-82,759.20

Finding the Fourth Proportional to 146,421.60, 202,060.08 and 82,759.20

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Solution

The fourth proportional to 146,421.60, 202,060.08 and 82,759.20 is: 114,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,421.60 : 202,060.08 = 82,759.20 : x
  2. Step 2: Convert to fraction form
    146,421.60/202,060.08 = 82,759.20/x
  3. Step 3: Cross multiply
    146,421.60x = 202,060.08 × 82,759.20
  4. Step 4: Simplify right side
    146,421.60x = 16,722,330,572.74
  5. Step 5: Solve for x
    x = 16,722,330,572.74/146,421.60
  6. Step 6: Final answer
    x = 114,206.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.