Home / 137,317.64-206,009.34-57,311.12

Finding the Fourth Proportional to 137,317.64, 206,009.34 and 57,311.12

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Solution

The fourth proportional to 137,317.64, 206,009.34 and 57,311.12 is: 85,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,317.64 : 206,009.34 = 57,311.12 : x
  2. Step 2: Convert to fraction form
    137,317.64/206,009.34 = 57,311.12/x
  3. Step 3: Cross multiply
    137,317.64x = 206,009.34 × 57,311.12
  4. Step 4: Simplify right side
    137,317.64x = 11,806,626,005.86
  5. Step 5: Solve for x
    x = 11,806,626,005.86/137,317.64
  6. Step 6: Final answer
    x = 85,980.40

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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.