Home / 254,918.40-382,204.80-97,123.20

Finding the Fourth Proportional to 254,918.40, 382,204.80 and 97,123.20

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Solution

The fourth proportional to 254,918.40, 382,204.80 and 97,123.20 is: 145,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,918.40 : 382,204.80 = 97,123.20 : x
  2. Step 2: Convert to fraction form
    254,918.40/382,204.80 = 97,123.20/x
  3. Step 3: Cross multiply
    254,918.40x = 382,204.80 × 97,123.20
  4. Step 4: Simplify right side
    254,918.40x = 37,120,953,231.36
  5. Step 5: Solve for x
    x = 37,120,953,231.36/254,918.40
  6. Step 6: Final answer
    x = 145,618.96

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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.