Home / 127,179.56-175,510-69,824.22

Finding the Fourth Proportional to 127,179.56, 175,510 and 69,824.22

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Solution

The fourth proportional to 127,179.56, 175,510 and 69,824.22 is: 96,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,179.56 : 175,510 = 69,824.22 : x
  2. Step 2: Convert to fraction form
    127,179.56/175,510 = 69,824.22/x
  3. Step 3: Cross multiply
    127,179.56x = 175,510 × 69,824.22
  4. Step 4: Simplify right side
    127,179.56x = 12,254,848,852.20
  5. Step 5: Solve for x
    x = 12,254,848,852.20/127,179.56
  6. Step 6: Final answer
    x = 96,358.64

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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.