Home / 149,837.60-225,015.60-97,479.20

Finding the Fourth Proportional to 149,837.60, 225,015.60 and 97,479.20

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Solution

The fourth proportional to 149,837.60, 225,015.60 and 97,479.20 is: 146,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,837.60 : 225,015.60 = 97,479.20 : x
  2. Step 2: Convert to fraction form
    149,837.60/225,015.60 = 97,479.20/x
  3. Step 3: Cross multiply
    149,837.60x = 225,015.60 × 97,479.20
  4. Step 4: Simplify right side
    149,837.60x = 21,934,340,675.52
  5. Step 5: Solve for x
    x = 21,934,340,675.52/149,837.60
  6. Step 6: Final answer
    x = 146,387.43

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1.5x scale

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.