Home / 98,253.03-135,589.67-57,419.53

Finding the Fourth Proportional to 98,253.03, 135,589.67 and 57,419.53

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Solution

The fourth proportional to 98,253.03, 135,589.67 and 57,419.53 is: 79,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,253.03 : 135,589.67 = 57,419.53 : x
  2. Step 2: Convert to fraction form
    98,253.03/135,589.67 = 57,419.53/x
  3. Step 3: Cross multiply
    98,253.03x = 135,589.67 × 57,419.53
  4. Step 4: Simplify right side
    98,253.03x = 7,785,495,637.69
  5. Step 5: Solve for x
    x = 7,785,495,637.69/98,253.03
  6. Step 6: Final answer
    x = 79,239.25

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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.