Home / 131,648.81-181,660.92-75,060.18

Finding the Fourth Proportional to 131,648.81, 181,660.92 and 75,060.18

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Solution

The fourth proportional to 131,648.81, 181,660.92 and 75,060.18 is: 103,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,648.81 : 181,660.92 = 75,060.18 : x
  2. Step 2: Convert to fraction form
    131,648.81/181,660.92 = 75,060.18/x
  3. Step 3: Cross multiply
    131,648.81x = 181,660.92 × 75,060.18
  4. Step 4: Simplify right side
    131,648.81x = 13,635,501,354.17
  5. Step 5: Solve for x
    x = 13,635,501,354.17/131,648.81
  6. Step 6: Final answer
    x = 103,574.82

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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.