Home / 126,441.29-174,488.85-72,724.93

Finding the Fourth Proportional to 126,441.29, 174,488.85 and 72,724.93

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Solution

The fourth proportional to 126,441.29, 174,488.85 and 72,724.93 is: 100,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,441.29 : 174,488.85 = 72,724.93 : x
  2. Step 2: Convert to fraction form
    126,441.29/174,488.85 = 72,724.93/x
  3. Step 3: Cross multiply
    126,441.29x = 174,488.85 × 72,724.93
  4. Step 4: Simplify right side
    126,441.29x = 12,689,688,965.81
  5. Step 5: Solve for x
    x = 12,689,688,965.81/126,441.29
  6. Step 6: Final answer
    x = 100,360.32

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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.