Home / 127,277.88-175,640.94-70,687.32

Finding the Fourth Proportional to 127,277.88, 175,640.94 and 70,687.32

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Solution

The fourth proportional to 127,277.88, 175,640.94 and 70,687.32 is: 97,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,277.88 : 175,640.94 = 70,687.32 : x
  2. Step 2: Convert to fraction form
    127,277.88/175,640.94 = 70,687.32/x
  3. Step 3: Cross multiply
    127,277.88x = 175,640.94 × 70,687.32
  4. Step 4: Simplify right side
    127,277.88x = 12,415,587,330.88
  5. Step 5: Solve for x
    x = 12,415,587,330.88/127,277.88
  6. Step 6: Final answer
    x = 97,547.09

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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.