Home / 112,717.96-155,550.48-64,971.04

Finding the Fourth Proportional to 112,717.96, 155,550.48 and 64,971.04

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Solution

The fourth proportional to 112,717.96, 155,550.48 and 64,971.04 is: 89,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,717.96 : 155,550.48 = 64,971.04 : x
  2. Step 2: Convert to fraction form
    112,717.96/155,550.48 = 64,971.04/x
  3. Step 3: Cross multiply
    112,717.96x = 155,550.48 × 64,971.04
  4. Step 4: Simplify right side
    112,717.96x = 10,106,276,458.10
  5. Step 5: Solve for x
    x = 10,106,276,458.10/112,717.96
  6. Step 6: Final answer
    x = 89,659.86

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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.