Home / 97,908.84-135,170.16-64,472.04

Finding the Fourth Proportional to 97,908.84, 135,170.16 and 64,472.04

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Solution

The fourth proportional to 97,908.84, 135,170.16 and 64,472.04 is: 89,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,908.84 : 135,170.16 = 64,472.04 : x
  2. Step 2: Convert to fraction form
    97,908.84/135,170.16 = 64,472.04/x
  3. Step 3: Cross multiply
    97,908.84x = 135,170.16 × 64,472.04
  4. Step 4: Simplify right side
    97,908.84x = 8,714,695,962.33
  5. Step 5: Solve for x
    x = 8,714,695,962.33/97,908.84
  6. Step 6: Final answer
    x = 89,008.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.