Home / 97,122.23-134,019.02-71,642.36

Finding the Fourth Proportional to 97,122.23, 134,019.02 and 71,642.36

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Solution

The fourth proportional to 97,122.23, 134,019.02 and 71,642.36 is: 98,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,122.23 : 134,019.02 = 71,642.36 : x
  2. Step 2: Convert to fraction form
    97,122.23/134,019.02 = 71,642.36/x
  3. Step 3: Cross multiply
    97,122.23x = 134,019.02 × 71,642.36
  4. Step 4: Simplify right side
    97,122.23x = 9,601,438,877.69
  5. Step 5: Solve for x
    x = 9,601,438,877.69/97,122.23
  6. Step 6: Final answer
    x = 98,859.33

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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.