Home / 127,153.26-175,478.40-70,565.85

Finding the Fourth Proportional to 127,153.26, 175,478.40 and 70,565.85

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Solution

The fourth proportional to 127,153.26, 175,478.40 and 70,565.85 is: 97,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,153.26 : 175,478.40 = 70,565.85 : x
  2. Step 2: Convert to fraction form
    127,153.26/175,478.40 = 70,565.85/x
  3. Step 3: Cross multiply
    127,153.26x = 175,478.40 × 70,565.85
  4. Step 4: Simplify right side
    127,153.26x = 12,382,782,452.64
  5. Step 5: Solve for x
    x = 12,382,782,452.64/127,153.26
  6. Step 6: Final answer
    x = 97,384.70

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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.