Home / 127,072.28-175,359.75-70,483.61

Finding the Fourth Proportional to 127,072.28, 175,359.75 and 70,483.61

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Solution

The fourth proportional to 127,072.28, 175,359.75 and 70,483.61 is: 97,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,072.28 : 175,359.75 = 70,483.61 : x
  2. Step 2: Convert to fraction form
    127,072.28/175,359.75 = 70,483.61/x
  3. Step 3: Cross multiply
    127,072.28x = 175,359.75 × 70,483.61
  4. Step 4: Simplify right side
    127,072.28x = 12,359,988,228.70
  5. Step 5: Solve for x
    x = 12,359,988,228.70/127,072.28
  6. Step 6: Final answer
    x = 97,267.38

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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.