Home / 126,029.17-189,038.85-31,259.59

Finding the Fourth Proportional to 126,029.17, 189,038.85 and 31,259.59

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Solution

The fourth proportional to 126,029.17, 189,038.85 and 31,259.59 is: 46,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029.17 : 189,038.85 = 31,259.59 : x
  2. Step 2: Convert to fraction form
    126,029.17/189,038.85 = 31,259.59/x
  3. Step 3: Cross multiply
    126,029.17x = 189,038.85 × 31,259.59
  4. Step 4: Simplify right side
    126,029.17x = 5,909,276,472.47
  5. Step 5: Solve for x
    x = 5,909,276,472.47/126,029.17
  6. Step 6: Final answer
    x = 46,888.17

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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.