Home / 138,869.10-207,975.60-94,254.30

Finding the Fourth Proportional to 138,869.10, 207,975.60 and 94,254.30

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Solution

The fourth proportional to 138,869.10, 207,975.60 and 94,254.30 is: 141,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,869.10 : 207,975.60 = 94,254.30 : x
  2. Step 2: Convert to fraction form
    138,869.10/207,975.60 = 94,254.30/x
  3. Step 3: Cross multiply
    138,869.10x = 207,975.60 × 94,254.30
  4. Step 4: Simplify right side
    138,869.10x = 19,602,594,595.08
  5. Step 5: Solve for x
    x = 19,602,594,595.08/138,869.10
  6. Step 6: Final answer
    x = 141,158.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.