Home / 153,633.12-230,449.40-42,825.12

Finding the Fourth Proportional to 153,633.12, 230,449.40 and 42,825.12

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Solution

The fourth proportional to 153,633.12, 230,449.40 and 42,825.12 is: 64,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,633.12 : 230,449.40 = 42,825.12 : x
  2. Step 2: Convert to fraction form
    153,633.12/230,449.40 = 42,825.12/x
  3. Step 3: Cross multiply
    153,633.12x = 230,449.40 × 42,825.12
  4. Step 4: Simplify right side
    153,633.12x = 9,869,023,208.93
  5. Step 5: Solve for x
    x = 9,869,023,208.93/153,633.12
  6. Step 6: Final answer
    x = 64,237.60

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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.