Home / 140,302.25-193,680.84-89,384.81

Finding the Fourth Proportional to 140,302.25, 193,680.84 and 89,384.81

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Solution

The fourth proportional to 140,302.25, 193,680.84 and 89,384.81 is: 123,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,302.25 : 193,680.84 = 89,384.81 : x
  2. Step 2: Convert to fraction form
    140,302.25/193,680.84 = 89,384.81/x
  3. Step 3: Cross multiply
    140,302.25x = 193,680.84 × 89,384.81
  4. Step 4: Simplify right side
    140,302.25x = 17,312,124,115.64
  5. Step 5: Solve for x
    x = 17,312,124,115.64/140,302.25
  6. Step 6: Final answer
    x = 123,391.64

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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.