Home / 97,885.69-135,147.40-75,184.18

Finding the Fourth Proportional to 97,885.69, 135,147.40 and 75,184.18

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Solution

The fourth proportional to 97,885.69, 135,147.40 and 75,184.18 is: 103,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,885.69 : 135,147.40 = 75,184.18 : x
  2. Step 2: Convert to fraction form
    97,885.69/135,147.40 = 75,184.18/x
  3. Step 3: Cross multiply
    97,885.69x = 135,147.40 × 75,184.18
  4. Step 4: Simplify right side
    97,885.69x = 10,160,945,922.30
  5. Step 5: Solve for x
    x = 10,160,945,922.30/97,885.69
  6. Step 6: Final answer
    x = 103,804.20

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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.