Home / 98,020.83-147,023.01-31,442.88

Finding the Fourth Proportional to 98,020.83, 147,023.01 and 31,442.88

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Solution

The fourth proportional to 98,020.83, 147,023.01 and 31,442.88 is: 47,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,020.83 : 147,023.01 = 31,442.88 : x
  2. Step 2: Convert to fraction form
    98,020.83/147,023.01 = 31,442.88/x
  3. Step 3: Cross multiply
    98,020.83x = 147,023.01 × 31,442.88
  4. Step 4: Simplify right side
    98,020.83x = 4,622,826,860.67
  5. Step 5: Solve for x
    x = 4,622,826,860.67/98,020.83
  6. Step 6: Final answer
    x = 47,161.68

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1.5x scale

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.