Home / 112,747.06-155,695.53-84,403.54

Finding the Fourth Proportional to 112,747.06, 155,695.53 and 84,403.54

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Solution

The fourth proportional to 112,747.06, 155,695.53 and 84,403.54 is: 116,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,747.06 : 155,695.53 = 84,403.54 : x
  2. Step 2: Convert to fraction form
    112,747.06/155,695.53 = 84,403.54/x
  3. Step 3: Cross multiply
    112,747.06x = 155,695.53 × 84,403.54
  4. Step 4: Simplify right side
    112,747.06x = 13,141,253,894.18
  5. Step 5: Solve for x
    x = 13,141,253,894.18/112,747.06
  6. Step 6: Final answer
    x = 116,555.18

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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.