Home / 127,045.32-175,319.46-69,685.40

Finding the Fourth Proportional to 127,045.32, 175,319.46 and 69,685.40

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Solution

The fourth proportional to 127,045.32, 175,319.46 and 69,685.40 is: 96,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,045.32 : 175,319.46 = 69,685.40 : x
  2. Step 2: Convert to fraction form
    127,045.32/175,319.46 = 69,685.40/x
  3. Step 3: Cross multiply
    127,045.32x = 175,319.46 × 69,685.40
  4. Step 4: Simplify right side
    127,045.32x = 12,217,206,697.88
  5. Step 5: Solve for x
    x = 12,217,206,697.88/127,045.32
  6. Step 6: Final answer
    x = 96,164.16

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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.