Home / 123,247.09-170,077.08-69,531.40

Finding the Fourth Proportional to 123,247.09, 170,077.08 and 69,531.40

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Solution

The fourth proportional to 123,247.09, 170,077.08 and 69,531.40 is: 95,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,247.09 : 170,077.08 = 69,531.40 : x
  2. Step 2: Convert to fraction form
    123,247.09/170,077.08 = 69,531.40/x
  3. Step 3: Cross multiply
    123,247.09x = 170,077.08 × 69,531.40
  4. Step 4: Simplify right side
    123,247.09x = 11,825,697,480.31
  5. Step 5: Solve for x
    x = 11,825,697,480.31/123,247.09
  6. Step 6: Final answer
    x = 95,951.13

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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.