Home / 127,107.81-175,406.45-70,517.97

Finding the Fourth Proportional to 127,107.81, 175,406.45 and 70,517.97

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Solution

The fourth proportional to 127,107.81, 175,406.45 and 70,517.97 is: 97,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,107.81 : 175,406.45 = 70,517.97 : x
  2. Step 2: Convert to fraction form
    127,107.81/175,406.45 = 70,517.97/x
  3. Step 3: Cross multiply
    127,107.81x = 175,406.45 × 70,517.97
  4. Step 4: Simplify right side
    127,107.81x = 12,369,306,426.32
  5. Step 5: Solve for x
    x = 12,369,306,426.32/127,107.81
  6. Step 6: Final answer
    x = 97,313.50

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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.