Home / 112,702.32-169,139.10-41,692.14

Finding the Fourth Proportional to 112,702.32, 169,139.10 and 41,692.14

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Solution

The fourth proportional to 112,702.32, 169,139.10 and 41,692.14 is: 62,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,702.32 : 169,139.10 = 41,692.14 : x
  2. Step 2: Convert to fraction form
    112,702.32/169,139.10 = 41,692.14/x
  3. Step 3: Cross multiply
    112,702.32x = 169,139.10 × 41,692.14
  4. Step 4: Simplify right side
    112,702.32x = 7,051,771,036.67
  5. Step 5: Solve for x
    x = 7,051,771,036.67/112,702.32
  6. Step 6: Final answer
    x = 62,569.88

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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.