Home / 142,326.24-213,482.07-42,487.26

Finding the Fourth Proportional to 142,326.24, 213,482.07 and 42,487.26

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Solution

The fourth proportional to 142,326.24, 213,482.07 and 42,487.26 is: 63,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,326.24 : 213,482.07 = 42,487.26 : x
  2. Step 2: Convert to fraction form
    142,326.24/213,482.07 = 42,487.26/x
  3. Step 3: Cross multiply
    142,326.24x = 213,482.07 × 42,487.26
  4. Step 4: Simplify right side
    142,326.24x = 9,070,268,213.43
  5. Step 5: Solve for x
    x = 9,070,268,213.43/142,326.24
  6. Step 6: Final answer
    x = 63,728.71

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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.