Home / 127,283.20-175,648.64-70,693.12

Finding the Fourth Proportional to 127,283.20, 175,648.64 and 70,693.12

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Solution

The fourth proportional to 127,283.20, 175,648.64 and 70,693.12 is: 97,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,283.20 : 175,648.64 = 70,693.12 : x
  2. Step 2: Convert to fraction form
    127,283.20/175,648.64 = 70,693.12/x
  3. Step 3: Cross multiply
    127,283.20x = 175,648.64 × 70,693.12
  4. Step 4: Simplify right side
    127,283.20x = 12,417,150,385.36
  5. Step 5: Solve for x
    x = 12,417,150,385.36/127,283.20
  6. Step 6: Final answer
    x = 97,555.30

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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.