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Finding the Fourth Proportional to 181,151.77, 249,995.82 and 100,580.53

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Solution

The fourth proportional to 181,151.77, 249,995.82 and 100,580.53 is: 138,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,151.77 : 249,995.82 = 100,580.53 : x
  2. Step 2: Convert to fraction form
    181,151.77/249,995.82 = 100,580.53/x
  3. Step 3: Cross multiply
    181,151.77x = 249,995.82 × 100,580.53
  4. Step 4: Simplify right side
    181,151.77x = 25,144,712,073.38
  5. Step 5: Solve for x
    x = 25,144,712,073.38/181,151.77
  6. Step 6: Final answer
    x = 138,804.67

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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.