Home / 111,372.85-153,692.67-62,974

Finding the Fourth Proportional to 111,372.85, 153,692.67 and 62,974

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Solution

The fourth proportional to 111,372.85, 153,692.67 and 62,974 is: 86,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,372.85 : 153,692.67 = 62,974 : x
  2. Step 2: Convert to fraction form
    111,372.85/153,692.67 = 62,974/x
  3. Step 3: Cross multiply
    111,372.85x = 153,692.67 × 62,974
  4. Step 4: Simplify right side
    111,372.85x = 9,678,642,200.58
  5. Step 5: Solve for x
    x = 9,678,642,200.58/111,372.85
  6. Step 6: Final answer
    x = 86,903.07

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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.