Home / 134,678.94-185,718.78-88,750.59

Finding the Fourth Proportional to 134,678.94, 185,718.78 and 88,750.59

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Solution

The fourth proportional to 134,678.94, 185,718.78 and 88,750.59 is: 122,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.94 : 185,718.78 = 88,750.59 : x
  2. Step 2: Convert to fraction form
    134,678.94/185,718.78 = 88,750.59/x
  3. Step 3: Cross multiply
    134,678.94x = 185,718.78 × 88,750.59
  4. Step 4: Simplify right side
    134,678.94x = 16,482,651,299.08
  5. Step 5: Solve for x
    x = 16,482,651,299.08/134,678.94
  6. Step 6: Final answer
    x = 122,384.77

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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.