Home / 176,325.39-264,420.38-86,312.57

Finding the Fourth Proportional to 176,325.39, 264,420.38 and 86,312.57

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Solution

The fourth proportional to 176,325.39, 264,420.38 and 86,312.57 is: 129,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,325.39 : 264,420.38 = 86,312.57 : x
  2. Step 2: Convert to fraction form
    176,325.39/264,420.38 = 86,312.57/x
  3. Step 3: Cross multiply
    176,325.39x = 264,420.38 × 86,312.57
  4. Step 4: Simplify right side
    176,325.39x = 22,822,801,451.86
  5. Step 5: Solve for x
    x = 22,822,801,451.86/176,325.39
  6. Step 6: Final answer
    x = 129,435.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.