Home / 127,490.72-175,937.36-70,902.10

Finding the Fourth Proportional to 127,490.72, 175,937.36 and 70,902.10

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Solution

The fourth proportional to 127,490.72, 175,937.36 and 70,902.10 is: 97,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,490.72 : 175,937.36 = 70,902.10 : x
  2. Step 2: Convert to fraction form
    127,490.72/175,937.36 = 70,902.10/x
  3. Step 3: Cross multiply
    127,490.72x = 175,937.36 × 70,902.10
  4. Step 4: Simplify right side
    127,490.72x = 12,474,328,292.46
  5. Step 5: Solve for x
    x = 12,474,328,292.46/127,490.72
  6. Step 6: Final answer
    x = 97,844.99

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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.