Home / 112,833.20-169,314.60-42,762.80

Finding the Fourth Proportional to 112,833.20, 169,314.60 and 42,762.80

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Solution

The fourth proportional to 112,833.20, 169,314.60 and 42,762.80 is: 64,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833.20 : 169,314.60 = 42,762.80 : x
  2. Step 2: Convert to fraction form
    112,833.20/169,314.60 = 42,762.80/x
  3. Step 3: Cross multiply
    112,833.20x = 169,314.60 × 42,762.80
  4. Step 4: Simplify right side
    112,833.20x = 7,240,366,376.88
  5. Step 5: Solve for x
    x = 7,240,366,376.88/112,833.20
  6. Step 6: Final answer
    x = 64,168.76

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1.5x scale

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.