Home / 109,446.15-151,033.67-61,699.54

Finding the Fourth Proportional to 109,446.15, 151,033.67 and 61,699.54

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Solution

The fourth proportional to 109,446.15, 151,033.67 and 61,699.54 is: 85,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,446.15 : 151,033.67 = 61,699.54 : x
  2. Step 2: Convert to fraction form
    109,446.15/151,033.67 = 61,699.54/x
  3. Step 3: Cross multiply
    109,446.15x = 151,033.67 × 61,699.54
  4. Step 4: Simplify right side
    109,446.15x = 9,318,707,208.34
  5. Step 5: Solve for x
    x = 9,318,707,208.34/109,446.15
  6. Step 6: Final answer
    x = 85,144.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.