Home / 126,844.47-175,048.20-72,395.55

Finding the Fourth Proportional to 126,844.47, 175,048.20 and 72,395.55

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Solution

The fourth proportional to 126,844.47, 175,048.20 and 72,395.55 is: 99,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,844.47 : 175,048.20 = 72,395.55 : x
  2. Step 2: Convert to fraction form
    126,844.47/175,048.20 = 72,395.55/x
  3. Step 3: Cross multiply
    126,844.47x = 175,048.20 × 72,395.55
  4. Step 4: Simplify right side
    126,844.47x = 12,672,710,715.51
  5. Step 5: Solve for x
    x = 12,672,710,715.51/126,844.47
  6. Step 6: Final answer
    x = 99,907.48

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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.