Home / 112,833.60-155,704.92-65,102.34

Finding the Fourth Proportional to 112,833.60, 155,704.92 and 65,102.34

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Solution

The fourth proportional to 112,833.60, 155,704.92 and 65,102.34 is: 89,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833.60 : 155,704.92 = 65,102.34 : x
  2. Step 2: Convert to fraction form
    112,833.60/155,704.92 = 65,102.34/x
  3. Step 3: Cross multiply
    112,833.60x = 155,704.92 × 65,102.34
  4. Step 4: Simplify right side
    112,833.60x = 10,136,754,641.51
  5. Step 5: Solve for x
    x = 10,136,754,641.51/112,833.60
  6. Step 6: Final answer
    x = 89,838.09

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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.