Home / 131,340.02-181,248.57-73,979.19

Finding the Fourth Proportional to 131,340.02, 181,248.57 and 73,979.19

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Solution

The fourth proportional to 131,340.02, 181,248.57 and 73,979.19 is: 102,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,340.02 : 181,248.57 = 73,979.19 : x
  2. Step 2: Convert to fraction form
    131,340.02/181,248.57 = 73,979.19/x
  3. Step 3: Cross multiply
    131,340.02x = 181,248.57 × 73,979.19
  4. Step 4: Simplify right side
    131,340.02x = 13,408,622,397.26
  5. Step 5: Solve for x
    x = 13,408,622,397.26/131,340.02
  6. Step 6: Final answer
    x = 102,090.92

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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.