Home / 134,428.86-185,492.97-89,036.46

Finding the Fourth Proportional to 134,428.86, 185,492.97 and 89,036.46

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Solution

The fourth proportional to 134,428.86, 185,492.97 and 89,036.46 is: 122,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428.86 : 185,492.97 = 89,036.46 : x
  2. Step 2: Convert to fraction form
    134,428.86/185,492.97 = 89,036.46/x
  3. Step 3: Cross multiply
    134,428.86x = 185,492.97 × 89,036.46
  4. Step 4: Simplify right side
    134,428.86x = 16,515,637,403.69
  5. Step 5: Solve for x
    x = 16,515,637,403.69/134,428.86
  6. Step 6: Final answer
    x = 122,857.83

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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.