Home / 127,356.52-175,756.26-70,770.28

Finding the Fourth Proportional to 127,356.52, 175,756.26 and 70,770.28

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Solution

The fourth proportional to 127,356.52, 175,756.26 and 70,770.28 is: 97,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356.52 : 175,756.26 = 70,770.28 : x
  2. Step 2: Convert to fraction form
    127,356.52/175,756.26 = 70,770.28/x
  3. Step 3: Cross multiply
    127,356.52x = 175,756.26 × 70,770.28
  4. Step 4: Simplify right side
    127,356.52x = 12,438,319,731.95
  5. Step 5: Solve for x
    x = 12,438,319,731.95/127,356.52
  6. Step 6: Final answer
    x = 97,665.35

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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.