Home / 99,637.70-137,220.09-97,460.42

Finding the Fourth Proportional to 99,637.70, 137,220.09 and 97,460.42

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Solution

The fourth proportional to 99,637.70, 137,220.09 and 97,460.42 is: 134,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,637.70 : 137,220.09 = 97,460.42 : x
  2. Step 2: Convert to fraction form
    99,637.70/137,220.09 = 97,460.42/x
  3. Step 3: Cross multiply
    99,637.70x = 137,220.09 × 97,460.42
  4. Step 4: Simplify right side
    99,637.70x = 13,373,527,603.84
  5. Step 5: Solve for x
    x = 13,373,527,603.84/99,637.70
  6. Step 6: Final answer
    x = 134,221.56

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1.5x scale

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.