Home / 97,065.80-145,253.10-67,344.20

Finding the Fourth Proportional to 97,065.80, 145,253.10 and 67,344.20

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Solution

The fourth proportional to 97,065.80, 145,253.10 and 67,344.20 is: 100,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,065.80 : 145,253.10 = 67,344.20 : x
  2. Step 2: Convert to fraction form
    97,065.80/145,253.10 = 67,344.20/x
  3. Step 3: Cross multiply
    97,065.80x = 145,253.10 × 67,344.20
  4. Step 4: Simplify right side
    97,065.80x = 9,781,953,817.02
  5. Step 5: Solve for x
    x = 9,781,953,817.02/97,065.80
  6. Step 6: Final answer
    x = 100,776.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.