Home / 112,905.79-169,370.03-29,799.79

Finding the Fourth Proportional to 112,905.79, 169,370.03 and 29,799.79

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Solution

The fourth proportional to 112,905.79, 169,370.03 and 29,799.79 is: 44,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,905.79 : 169,370.03 = 29,799.79 : x
  2. Step 2: Convert to fraction form
    112,905.79/169,370.03 = 29,799.79/x
  3. Step 3: Cross multiply
    112,905.79x = 169,370.03 × 29,799.79
  4. Step 4: Simplify right side
    112,905.79x = 5,047,191,326.29
  5. Step 5: Solve for x
    x = 5,047,191,326.29/112,905.79
  6. Step 6: Final answer
    x = 44,702.68

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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.