Home / 123,219.10-170,035.28-69,500.91

Finding the Fourth Proportional to 123,219.10, 170,035.28 and 69,500.91

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Solution

The fourth proportional to 123,219.10, 170,035.28 and 69,500.91 is: 95,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,219.10 : 170,035.28 = 69,500.91 : x
  2. Step 2: Convert to fraction form
    123,219.10/170,035.28 = 69,500.91/x
  3. Step 3: Cross multiply
    123,219.10x = 170,035.28 × 69,500.91
  4. Step 4: Simplify right side
    123,219.10x = 11,817,606,344.60
  5. Step 5: Solve for x
    x = 11,817,606,344.60/123,219.10
  6. Step 6: Final answer
    x = 95,907.26

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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.