Home / 127,401.29-175,809.30-70,040.20

Finding the Fourth Proportional to 127,401.29, 175,809.30 and 70,040.20

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Solution

The fourth proportional to 127,401.29, 175,809.30 and 70,040.20 is: 96,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,401.29 : 175,809.30 = 70,040.20 : x
  2. Step 2: Convert to fraction form
    127,401.29/175,809.30 = 70,040.20/x
  3. Step 3: Cross multiply
    127,401.29x = 175,809.30 × 70,040.20
  4. Step 4: Simplify right side
    127,401.29x = 12,313,718,277.18
  5. Step 5: Solve for x
    x = 12,313,718,277.18/127,401.29
  6. Step 6: Final answer
    x = 96,653.01

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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.