Home / 134,349.40-185,478.96-89,088.88

Finding the Fourth Proportional to 134,349.40, 185,478.96 and 89,088.88

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Solution

The fourth proportional to 134,349.40, 185,478.96 and 89,088.88 is: 122,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,349.40 : 185,478.96 = 89,088.88 : x
  2. Step 2: Convert to fraction form
    134,349.40/185,478.96 = 89,088.88/x
  3. Step 3: Cross multiply
    134,349.40x = 185,478.96 × 89,088.88
  4. Step 4: Simplify right side
    134,349.40x = 16,524,112,809.96
  5. Step 5: Solve for x
    x = 16,524,112,809.96/134,349.40
  6. Step 6: Final answer
    x = 122,993.57

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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.