Home / 112,102.70-154,695.54-64,352.92

Finding the Fourth Proportional to 112,102.70, 154,695.54 and 64,352.92

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Solution

The fourth proportional to 112,102.70, 154,695.54 and 64,352.92 is: 88,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,102.70 : 154,695.54 = 64,352.92 : x
  2. Step 2: Convert to fraction form
    112,102.70/154,695.54 = 64,352.92/x
  3. Step 3: Cross multiply
    112,102.70x = 154,695.54 × 64,352.92
  4. Step 4: Simplify right side
    112,102.70x = 9,955,109,709.98
  5. Step 5: Solve for x
    x = 9,955,109,709.98/112,102.70
  6. Step 6: Final answer
    x = 88,803.48

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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.