Home / 131,439.52-181,386.63-71,010.14

Finding the Fourth Proportional to 131,439.52, 181,386.63 and 71,010.14

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Solution

The fourth proportional to 131,439.52, 181,386.63 and 71,010.14 is: 97,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,439.52 : 181,386.63 = 71,010.14 : x
  2. Step 2: Convert to fraction form
    131,439.52/181,386.63 = 71,010.14/x
  3. Step 3: Cross multiply
    131,439.52x = 181,386.63 × 71,010.14
  4. Step 4: Simplify right side
    131,439.52x = 12,880,288,728.44
  5. Step 5: Solve for x
    x = 12,880,288,728.44/131,439.52
  6. Step 6: Final answer
    x = 97,994.04

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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.