Home / 92,008.32-138,012.40-29,678.82

Finding the Fourth Proportional to 92,008.32, 138,012.40 and 29,678.82

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Solution

The fourth proportional to 92,008.32, 138,012.40 and 29,678.82 is: 44,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,008.32 : 138,012.40 = 29,678.82 : x
  2. Step 2: Convert to fraction form
    92,008.32/138,012.40 = 29,678.82/x
  3. Step 3: Cross multiply
    92,008.32x = 138,012.40 × 29,678.82
  4. Step 4: Simplify right side
    92,008.32x = 4,096,045,177.37
  5. Step 5: Solve for x
    x = 4,096,045,177.37/92,008.32
  6. Step 6: Final answer
    x = 44,518.20

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1.5x scale

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.