Home / 131,814.04-181,916.40-75,233.92

Finding the Fourth Proportional to 131,814.04, 181,916.40 and 75,233.92

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Solution

The fourth proportional to 131,814.04, 181,916.40 and 75,233.92 is: 103,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,814.04 : 181,916.40 = 75,233.92 : x
  2. Step 2: Convert to fraction form
    131,814.04/181,916.40 = 75,233.92/x
  3. Step 3: Cross multiply
    131,814.04x = 181,916.40 × 75,233.92
  4. Step 4: Simplify right side
    131,814.04x = 13,686,283,884.29
  5. Step 5: Solve for x
    x = 13,686,283,884.29/131,814.04
  6. Step 6: Final answer
    x = 103,830.24

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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.