Home / 127,108.81-175,407.82-70,518.97

Finding the Fourth Proportional to 127,108.81, 175,407.82 and 70,518.97

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Solution

The fourth proportional to 127,108.81, 175,407.82 and 70,518.97 is: 97,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,108.81 : 175,407.82 = 70,518.97 : x
  2. Step 2: Convert to fraction form
    127,108.81/175,407.82 = 70,518.97/x
  3. Step 3: Cross multiply
    127,108.81x = 175,407.82 × 70,518.97
  4. Step 4: Simplify right side
    127,108.81x = 12,369,578,796.35
  5. Step 5: Solve for x
    x = 12,369,578,796.35/127,108.81
  6. Step 6: Final answer
    x = 97,314.88

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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.