Home / 98,388.27-135,779.49-60,143.31

Finding the Fourth Proportional to 98,388.27, 135,779.49 and 60,143.31

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Solution

The fourth proportional to 98,388.27, 135,779.49 and 60,143.31 is: 83,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,388.27 : 135,779.49 = 60,143.31 : x
  2. Step 2: Convert to fraction form
    98,388.27/135,779.49 = 60,143.31/x
  3. Step 3: Cross multiply
    98,388.27x = 135,779.49 × 60,143.31
  4. Step 4: Simplify right side
    98,388.27x = 8,166,227,958.71
  5. Step 5: Solve for x
    x = 8,166,227,958.71/98,388.27
  6. Step 6: Final answer
    x = 83,000.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.