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Finding the Fourth Proportional to 181,151.50, 249,996.88 and 100,579.03

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Solution

The fourth proportional to 181,151.50, 249,996.88 and 100,579.03 is: 138,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,151.50 : 249,996.88 = 100,579.03 : x
  2. Step 2: Convert to fraction form
    181,151.50/249,996.88 = 100,579.03/x
  3. Step 3: Cross multiply
    181,151.50x = 249,996.88 × 100,579.03
  4. Step 4: Simplify right side
    181,151.50x = 25,144,443,693.43
  5. Step 5: Solve for x
    x = 25,144,443,693.43/181,151.50
  6. Step 6: Final answer
    x = 138,803.40

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1.5x scale

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.