Home / 142,207.76-213,342.41-42,376.00

Finding the Fourth Proportional to 142,207.76, 213,342.41 and 42,376.00

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Solution

The fourth proportional to 142,207.76, 213,342.41 and 42,376.00 is: 63,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,207.76 : 213,342.41 = 42,376.00 : x
  2. Step 2: Convert to fraction form
    142,207.76/213,342.41 = 42,376.00/x
  3. Step 3: Cross multiply
    142,207.76x = 213,342.41 × 42,376.00
  4. Step 4: Simplify right side
    142,207.76x = 9,040,597,400.38
  5. Step 5: Solve for x
    x = 9,040,597,400.38/142,207.76
  6. Step 6: Final answer
    x = 63,573.16

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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.