Home / 131,497.14-181,421.70-74,868.42

Finding the Fourth Proportional to 131,497.14, 181,421.70 and 74,868.42

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Solution

The fourth proportional to 131,497.14, 181,421.70 and 74,868.42 is: 103,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,497.14 : 181,421.70 = 74,868.42 : x
  2. Step 2: Convert to fraction form
    131,497.14/181,421.70 = 74,868.42/x
  3. Step 3: Cross multiply
    131,497.14x = 181,421.70 × 74,868.42
  4. Step 4: Simplify right side
    131,497.14x = 13,582,756,032.71
  5. Step 5: Solve for x
    x = 13,582,756,032.71/131,497.14
  6. Step 6: Final answer
    x = 103,293.17

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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.