Home / 131,508.04-181,471.98-74,149.40

Finding the Fourth Proportional to 131,508.04, 181,471.98 and 74,149.40

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Solution

The fourth proportional to 131,508.04, 181,471.98 and 74,149.40 is: 102,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,508.04 : 181,471.98 = 74,149.40 : x
  2. Step 2: Convert to fraction form
    131,508.04/181,471.98 = 74,149.40/x
  3. Step 3: Cross multiply
    131,508.04x = 181,471.98 × 74,149.40
  4. Step 4: Simplify right side
    131,508.04x = 13,456,038,433.81
  5. Step 5: Solve for x
    x = 13,456,038,433.81/131,508.04
  6. Step 6: Final answer
    x = 102,321.03

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1.5x scale

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.