Home / 126,134.47-189,088.02-46,115.63

Finding the Fourth Proportional to 126,134.47, 189,088.02 and 46,115.63

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Solution

The fourth proportional to 126,134.47, 189,088.02 and 46,115.63 is: 69,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,134.47 : 189,088.02 = 46,115.63 : x
  2. Step 2: Convert to fraction form
    126,134.47/189,088.02 = 46,115.63/x
  3. Step 3: Cross multiply
    126,134.47x = 189,088.02 × 46,115.63
  4. Step 4: Simplify right side
    126,134.47x = 8,719,912,931.39
  5. Step 5: Solve for x
    x = 8,719,912,931.39/126,134.47
  6. Step 6: Final answer
    x = 69,131.88

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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.