Home / 116,681.83-161,024.18-71,359

Finding the Fourth Proportional to 116,681.83, 161,024.18 and 71,359

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Solution

The fourth proportional to 116,681.83, 161,024.18 and 71,359 is: 98,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,681.83 : 161,024.18 = 71,359 : x
  2. Step 2: Convert to fraction form
    116,681.83/161,024.18 = 71,359/x
  3. Step 3: Cross multiply
    116,681.83x = 161,024.18 × 71,359
  4. Step 4: Simplify right side
    116,681.83x = 11,490,524,460.62
  5. Step 5: Solve for x
    x = 11,490,524,460.62/116,681.83
  6. Step 6: Final answer
    x = 98,477.41

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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.