Home / 112,855.77-155,752.10-64,464.93

Finding the Fourth Proportional to 112,855.77, 155,752.10 and 64,464.93

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Solution

The fourth proportional to 112,855.77, 155,752.10 and 64,464.93 is: 88,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,855.77 : 155,752.10 = 64,464.93 : x
  2. Step 2: Convert to fraction form
    112,855.77/155,752.10 = 64,464.93/x
  3. Step 3: Cross multiply
    112,855.77x = 155,752.10 × 64,464.93
  4. Step 4: Simplify right side
    112,855.77x = 10,040,548,223.85
  5. Step 5: Solve for x
    x = 10,040,548,223.85/112,855.77
  6. Step 6: Final answer
    x = 88,967.97

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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.