Home / 97,826.40-146,750.40-31,255.20

Finding the Fourth Proportional to 97,826.40, 146,750.40 and 31,255.20

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Solution

The fourth proportional to 97,826.40, 146,750.40 and 31,255.20 is: 46,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,826.40 : 146,750.40 = 31,255.20 : x
  2. Step 2: Convert to fraction form
    97,826.40/146,750.40 = 31,255.20/x
  3. Step 3: Cross multiply
    97,826.40x = 146,750.40 × 31,255.20
  4. Step 4: Simplify right side
    97,826.40x = 4,586,713,102.08
  5. Step 5: Solve for x
    x = 4,586,713,102.08/97,826.40
  6. Step 6: Final answer
    x = 46,886.25

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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.