Home / 112,565.58-155,348.94-64,168.66

Finding the Fourth Proportional to 112,565.58, 155,348.94 and 64,168.66

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Solution

The fourth proportional to 112,565.58, 155,348.94 and 64,168.66 is: 88,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,565.58 : 155,348.94 = 64,168.66 : x
  2. Step 2: Convert to fraction form
    112,565.58/155,348.94 = 64,168.66/x
  3. Step 3: Cross multiply
    112,565.58x = 155,348.94 × 64,168.66
  4. Step 4: Simplify right side
    112,565.58x = 9,968,533,823.01
  5. Step 5: Solve for x
    x = 9,968,533,823.01/112,565.58
  6. Step 6: Final answer
    x = 88,557.56

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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.