Home / 137,287.11-189,478.89-94,231.23

Finding the Fourth Proportional to 137,287.11, 189,478.89 and 94,231.23

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Solution

The fourth proportional to 137,287.11, 189,478.89 and 94,231.23 is: 130,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,287.11 : 189,478.89 = 94,231.23 : x
  2. Step 2: Convert to fraction form
    137,287.11/189,478.89 = 94,231.23/x
  3. Step 3: Cross multiply
    137,287.11x = 189,478.89 × 94,231.23
  4. Step 4: Simplify right side
    137,287.11x = 17,854,828,392.58
  5. Step 5: Solve for x
    x = 17,854,828,392.58/137,287.11
  6. Step 6: Final answer
    x = 130,054.66

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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.