Home / 127,278.16-175,638.98-70,693.18

Finding the Fourth Proportional to 127,278.16, 175,638.98 and 70,693.18

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Solution

The fourth proportional to 127,278.16, 175,638.98 and 70,693.18 is: 97,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,278.16 : 175,638.98 = 70,693.18 : x
  2. Step 2: Convert to fraction form
    127,278.16/175,638.98 = 70,693.18/x
  3. Step 3: Cross multiply
    127,278.16x = 175,638.98 × 70,693.18
  4. Step 4: Simplify right side
    127,278.16x = 12,416,477,765.79
  5. Step 5: Solve for x
    x = 12,416,477,765.79/127,278.16
  6. Step 6: Final answer
    x = 97,553.88

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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.