Home / 142,646.76-213,999.30-49,140.36

Finding the Fourth Proportional to 142,646.76, 213,999.30 and 49,140.36

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Solution

The fourth proportional to 142,646.76, 213,999.30 and 49,140.36 is: 73,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,646.76 : 213,999.30 = 49,140.36 : x
  2. Step 2: Convert to fraction form
    142,646.76/213,999.30 = 49,140.36/x
  3. Step 3: Cross multiply
    142,646.76x = 213,999.30 × 49,140.36
  4. Step 4: Simplify right side
    142,646.76x = 10,516,002,641.75
  5. Step 5: Solve for x
    x = 10,516,002,641.75/142,646.76
  6. Step 6: Final answer
    x = 73,720.59

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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.