Home / 131,510.01-181,480.16-74,148.82

Finding the Fourth Proportional to 131,510.01, 181,480.16 and 74,148.82

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Solution

The fourth proportional to 131,510.01, 181,480.16 and 74,148.82 is: 102,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,510.01 : 181,480.16 = 74,148.82 : x
  2. Step 2: Convert to fraction form
    131,510.01/181,480.16 = 74,148.82/x
  3. Step 3: Cross multiply
    131,510.01x = 181,480.16 × 74,148.82
  4. Step 4: Simplify right side
    131,510.01x = 13,456,539,449.08
  5. Step 5: Solve for x
    x = 13,456,539,449.08/131,510.01
  6. Step 6: Final answer
    x = 102,323.31

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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.