Home / 126,411.06-189,643.96-37,671.71

Finding the Fourth Proportional to 126,411.06, 189,643.96 and 37,671.71

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Solution

The fourth proportional to 126,411.06, 189,643.96 and 37,671.71 is: 56,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,411.06 : 189,643.96 = 37,671.71 : x
  2. Step 2: Convert to fraction form
    126,411.06/189,643.96 = 37,671.71/x
  3. Step 3: Cross multiply
    126,411.06x = 189,643.96 × 37,671.71
  4. Step 4: Simplify right side
    126,411.06x = 7,144,212,264.37
  5. Step 5: Solve for x
    x = 7,144,212,264.37/126,411.06
  6. Step 6: Final answer
    x = 56,515.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.