Home / 112,102.68-154,696.89-61,114.17

Finding the Fourth Proportional to 112,102.68, 154,696.89 and 61,114.17

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Solution

The fourth proportional to 112,102.68, 154,696.89 and 61,114.17 is: 84,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,102.68 : 154,696.89 = 61,114.17 : x
  2. Step 2: Convert to fraction form
    112,102.68/154,696.89 = 61,114.17/x
  3. Step 3: Cross multiply
    112,102.68x = 154,696.89 × 61,114.17
  4. Step 4: Simplify right side
    112,102.68x = 9,454,172,033.93
  5. Step 5: Solve for x
    x = 9,454,172,033.93/112,102.68
  6. Step 6: Final answer
    x = 84,334.93

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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.