Home / 97,001.20-144,645.15-85,203.28

Finding the Fourth Proportional to 97,001.20, 144,645.15 and 85,203.28

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Solution

The fourth proportional to 97,001.20, 144,645.15 and 85,203.28 is: 127,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,001.20 : 144,645.15 = 85,203.28 : x
  2. Step 2: Convert to fraction form
    97,001.20/144,645.15 = 85,203.28/x
  3. Step 3: Cross multiply
    97,001.20x = 144,645.15 × 85,203.28
  4. Step 4: Simplify right side
    97,001.20x = 12,324,241,216.09
  5. Step 5: Solve for x
    x = 12,324,241,216.09/97,001.20
  6. Step 6: Final answer
    x = 127,052.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.