Home / 175,342.49-262,603.67-86,309.72

Finding the Fourth Proportional to 175,342.49, 262,603.67 and 86,309.72

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Solution

The fourth proportional to 175,342.49, 262,603.67 and 86,309.72 is: 129,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,342.49 : 262,603.67 = 86,309.72 : x
  2. Step 2: Convert to fraction form
    175,342.49/262,603.67 = 86,309.72/x
  3. Step 3: Cross multiply
    175,342.49x = 262,603.67 × 86,309.72
  4. Step 4: Simplify right side
    175,342.49x = 22,665,247,484.11
  5. Step 5: Solve for x
    x = 22,665,247,484.11/175,342.49
  6. Step 6: Final answer
    x = 129,262.73

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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.