Home / 123,210.38-170,037.96-69,475.52

Finding the Fourth Proportional to 123,210.38, 170,037.96 and 69,475.52

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Solution

The fourth proportional to 123,210.38, 170,037.96 and 69,475.52 is: 95,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210.38 : 170,037.96 = 69,475.52 : x
  2. Step 2: Convert to fraction form
    123,210.38/170,037.96 = 69,475.52/x
  3. Step 3: Cross multiply
    123,210.38x = 170,037.96 × 69,475.52
  4. Step 4: Simplify right side
    123,210.38x = 11,813,475,690.74
  5. Step 5: Solve for x
    x = 11,813,475,690.74/123,210.38
  6. Step 6: Final answer
    x = 95,880.52

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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.