Home / 112,268.95-154,931.06-61,967.83

Finding the Fourth Proportional to 112,268.95, 154,931.06 and 61,967.83

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Solution

The fourth proportional to 112,268.95, 154,931.06 and 61,967.83 is: 85,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268.95 : 154,931.06 = 61,967.83 : x
  2. Step 2: Convert to fraction form
    112,268.95/154,931.06 = 61,967.83/x
  3. Step 3: Cross multiply
    112,268.95x = 154,931.06 × 61,967.83
  4. Step 4: Simplify right side
    112,268.95x = 9,600,741,277.96
  5. Step 5: Solve for x
    x = 9,600,741,277.96/112,268.95
  6. Step 6: Final answer
    x = 85,515.55

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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.