Home / 112,342.70-168,415.32-45,838.82

Finding the Fourth Proportional to 112,342.70, 168,415.32 and 45,838.82

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Solution

The fourth proportional to 112,342.70, 168,415.32 and 45,838.82 is: 68,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,342.70 : 168,415.32 = 45,838.82 : x
  2. Step 2: Convert to fraction form
    112,342.70/168,415.32 = 45,838.82/x
  3. Step 3: Cross multiply
    112,342.70x = 168,415.32 × 45,838.82
  4. Step 4: Simplify right side
    112,342.70x = 7,719,959,538.72
  5. Step 5: Solve for x
    x = 7,719,959,538.72/112,342.70
  6. Step 6: Final answer
    x = 68,717.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.