Home / 131,683.13-181,725.06-74,333.91

Finding the Fourth Proportional to 131,683.13, 181,725.06 and 74,333.91

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Solution

The fourth proportional to 131,683.13, 181,725.06 and 74,333.91 is: 102,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,683.13 : 181,725.06 = 74,333.91 : x
  2. Step 2: Convert to fraction form
    131,683.13/181,725.06 = 74,333.91/x
  3. Step 3: Cross multiply
    131,683.13x = 181,725.06 × 74,333.91
  4. Step 4: Simplify right side
    131,683.13x = 13,508,334,254.78
  5. Step 5: Solve for x
    x = 13,508,334,254.78/131,683.13
  6. Step 6: Final answer
    x = 102,582.12

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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.