Home / 127,275.75-175,644.18-70,690.77

Finding the Fourth Proportional to 127,275.75, 175,644.18 and 70,690.77

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Solution

The fourth proportional to 127,275.75, 175,644.18 and 70,690.77 is: 97,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,275.75 : 175,644.18 = 70,690.77 : x
  2. Step 2: Convert to fraction form
    127,275.75/175,644.18 = 70,690.77/x
  3. Step 3: Cross multiply
    127,275.75x = 175,644.18 × 70,690.77
  4. Step 4: Simplify right side
    127,275.75x = 12,416,422,330.22
  5. Step 5: Solve for x
    x = 12,416,422,330.22/127,275.75
  6. Step 6: Final answer
    x = 97,555.29

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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.