Home / 127,507.77-175,958.27-70,143.74

Finding the Fourth Proportional to 127,507.77, 175,958.27 and 70,143.74

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Solution

The fourth proportional to 127,507.77, 175,958.27 and 70,143.74 is: 96,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,507.77 : 175,958.27 = 70,143.74 : x
  2. Step 2: Convert to fraction form
    127,507.77/175,958.27 = 70,143.74/x
  3. Step 3: Cross multiply
    127,507.77x = 175,958.27 × 70,143.74
  4. Step 4: Simplify right side
    127,507.77x = 12,342,371,141.73
  5. Step 5: Solve for x
    x = 12,342,371,141.73/127,507.77
  6. Step 6: Final answer
    x = 96,797.01

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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.