Home / 146,575.30-219,862.95-128,496.10

Finding the Fourth Proportional to 146,575.30, 219,862.95 and 128,496.10

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Solution

The fourth proportional to 146,575.30, 219,862.95 and 128,496.10 is: 192,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,575.30 : 219,862.95 = 128,496.10 : x
  2. Step 2: Convert to fraction form
    146,575.30/219,862.95 = 128,496.10/x
  3. Step 3: Cross multiply
    146,575.30x = 219,862.95 × 128,496.10
  4. Step 4: Simplify right side
    146,575.30x = 28,251,531,609.50
  5. Step 5: Solve for x
    x = 28,251,531,609.50/146,575.30
  6. Step 6: Final answer
    x = 192,744.15

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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.