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Finding the Fourth Proportional to 181,087.40, 249,916.02 and 100,523.24

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Solution

The fourth proportional to 181,087.40, 249,916.02 and 100,523.24 is: 138,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,087.40 : 249,916.02 = 100,523.24 : x
  2. Step 2: Convert to fraction form
    181,087.40/249,916.02 = 100,523.24/x
  3. Step 3: Cross multiply
    181,087.40x = 249,916.02 × 100,523.24
  4. Step 4: Simplify right side
    181,087.40x = 25,122,368,058.30
  5. Step 5: Solve for x
    x = 25,122,368,058.30/181,087.40
  6. Step 6: Final answer
    x = 138,730.62

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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.