Home / 123,346.70-170,219.16-66,758.07

Finding the Fourth Proportional to 123,346.70, 170,219.16 and 66,758.07

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Solution

The fourth proportional to 123,346.70, 170,219.16 and 66,758.07 is: 92,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,346.70 : 170,219.16 = 66,758.07 : x
  2. Step 2: Convert to fraction form
    123,346.70/170,219.16 = 66,758.07/x
  3. Step 3: Cross multiply
    123,346.70x = 170,219.16 × 66,758.07
  4. Step 4: Simplify right side
    123,346.70x = 11,363,502,264.83
  5. Step 5: Solve for x
    x = 11,363,502,264.83/123,346.70
  6. Step 6: Final answer
    x = 92,126.52

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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.