Home / 153,012.31-229,500.20-40,700.75

Finding the Fourth Proportional to 153,012.31, 229,500.20 and 40,700.75

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Solution

The fourth proportional to 153,012.31, 229,500.20 and 40,700.75 is: 61,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,012.31 : 229,500.20 = 40,700.75 : x
  2. Step 2: Convert to fraction form
    153,012.31/229,500.20 = 40,700.75/x
  3. Step 3: Cross multiply
    153,012.31x = 229,500.20 × 40,700.75
  4. Step 4: Simplify right side
    153,012.31x = 9,340,829,219.40
  5. Step 5: Solve for x
    x = 9,340,829,219.40/153,012.31
  6. Step 6: Final answer
    x = 61,046.26

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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.