Home / 126,583.74-174,685.64-72,134.37

Finding the Fourth Proportional to 126,583.74, 174,685.64 and 72,134.37

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Solution

The fourth proportional to 126,583.74, 174,685.64 and 72,134.37 is: 99,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,583.74 : 174,685.64 = 72,134.37 : x
  2. Step 2: Convert to fraction form
    126,583.74/174,685.64 = 72,134.37/x
  3. Step 3: Cross multiply
    126,583.74x = 174,685.64 × 72,134.37
  4. Step 4: Simplify right side
    126,583.74x = 12,600,838,228.78
  5. Step 5: Solve for x
    x = 12,600,838,228.78/126,583.74
  6. Step 6: Final answer
    x = 99,545.47

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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.