Home / 127,036.62-175,303.51-72,586.73

Finding the Fourth Proportional to 127,036.62, 175,303.51 and 72,586.73

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Solution

The fourth proportional to 127,036.62, 175,303.51 and 72,586.73 is: 100,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,036.62 : 175,303.51 = 72,586.73 : x
  2. Step 2: Convert to fraction form
    127,036.62/175,303.51 = 72,586.73/x
  3. Step 3: Cross multiply
    127,036.62x = 175,303.51 × 72,586.73
  4. Step 4: Simplify right side
    127,036.62x = 12,724,708,805.21
  5. Step 5: Solve for x
    x = 12,724,708,805.21/127,036.62
  6. Step 6: Final answer
    x = 100,165.68

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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.