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Finding the Fourth Proportional to 127,264.46, 175,620.14 and 70,679.48

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Solution

The fourth proportional to 127,264.46, 175,620.14 and 70,679.48 is: 97,535.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,264.46 : 175,620.14 = 70,679.48 : x
  2. Step 2: Convert to fraction form
    127,264.46/175,620.14 = 70,679.48/x
  3. Step 3: Cross multiply
    127,264.46x = 175,620.14 × 70,679.48
  4. Step 4: Simplify right side
    127,264.46x = 12,412,739,294.63
  5. Step 5: Solve for x
    x = 12,412,739,294.63/127,264.46
  6. Step 6: Final answer
    x = 97,535.01

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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.