Home / 198,119.60-297,215.40-64,962.80

Finding the Fourth Proportional to 198,119.60, 297,215.40 and 64,962.80

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Solution

The fourth proportional to 198,119.60, 297,215.40 and 64,962.80 is: 97,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,119.60 : 297,215.40 = 64,962.80 : x
  2. Step 2: Convert to fraction form
    198,119.60/297,215.40 = 64,962.80/x
  3. Step 3: Cross multiply
    198,119.60x = 297,215.40 × 64,962.80
  4. Step 4: Simplify right side
    198,119.60x = 19,307,944,587.12
  5. Step 5: Solve for x
    x = 19,307,944,587.12/198,119.60
  6. Step 6: Final answer
    x = 97,456.00

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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.