Home / 231,152.40-346,729.68-97,999.20

Finding the Fourth Proportional to 231,152.40, 346,729.68 and 97,999.20

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Solution

The fourth proportional to 231,152.40, 346,729.68 and 97,999.20 is: 146,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,152.40 : 346,729.68 = 97,999.20 : x
  2. Step 2: Convert to fraction form
    231,152.40/346,729.68 = 97,999.20/x
  3. Step 3: Cross multiply
    231,152.40x = 346,729.68 × 97,999.20
  4. Step 4: Simplify right side
    231,152.40x = 33,979,231,256.26
  5. Step 5: Solve for x
    x = 33,979,231,256.26/231,152.40
  6. Step 6: Final answer
    x = 146,999.26

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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.