Home / 98,090.38-147,100.98-31,508.02

Finding the Fourth Proportional to 98,090.38, 147,100.98 and 31,508.02

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Solution

The fourth proportional to 98,090.38, 147,100.98 and 31,508.02 is: 47,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,090.38 : 147,100.98 = 31,508.02 : x
  2. Step 2: Convert to fraction form
    98,090.38/147,100.98 = 31,508.02/x
  3. Step 3: Cross multiply
    98,090.38x = 147,100.98 × 31,508.02
  4. Step 4: Simplify right side
    98,090.38x = 4,634,860,619.86
  5. Step 5: Solve for x
    x = 4,634,860,619.86/98,090.38
  6. Step 6: Final answer
    x = 47,250.92

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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.