Home / 127,107.02-175,406.13-73,390.87

Finding the Fourth Proportional to 127,107.02, 175,406.13 and 73,390.87

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Solution

The fourth proportional to 127,107.02, 175,406.13 and 73,390.87 is: 101,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,107.02 : 175,406.13 = 73,390.87 : x
  2. Step 2: Convert to fraction form
    127,107.02/175,406.13 = 73,390.87/x
  3. Step 3: Cross multiply
    127,107.02x = 175,406.13 × 73,390.87
  4. Step 4: Simplify right side
    127,107.02x = 12,873,208,045.52
  5. Step 5: Solve for x
    x = 12,873,208,045.52/127,107.02
  6. Step 6: Final answer
    x = 101,278.50

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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.