Home / 112,199.74-154,824.86-61,895.50

Finding the Fourth Proportional to 112,199.74, 154,824.86 and 61,895.50

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Solution

The fourth proportional to 112,199.74, 154,824.86 and 61,895.50 is: 85,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,199.74 : 154,824.86 = 61,895.50 : x
  2. Step 2: Convert to fraction form
    112,199.74/154,824.86 = 61,895.50/x
  3. Step 3: Cross multiply
    112,199.74x = 154,824.86 × 61,895.50
  4. Step 4: Simplify right side
    112,199.74x = 9,582,962,122.13
  5. Step 5: Solve for x
    x = 9,582,962,122.13/112,199.74
  6. Step 6: Final answer
    x = 85,409.84

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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.