Home / 112,538.92-168,833.34-42,418.84

Finding the Fourth Proportional to 112,538.92, 168,833.34 and 42,418.84

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Solution

The fourth proportional to 112,538.92, 168,833.34 and 42,418.84 is: 63,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,538.92 : 168,833.34 = 42,418.84 : x
  2. Step 2: Convert to fraction form
    112,538.92/168,833.34 = 42,418.84/x
  3. Step 3: Cross multiply
    112,538.92x = 168,833.34 × 42,418.84
  4. Step 4: Simplify right side
    112,538.92x = 7,161,714,436.13
  5. Step 5: Solve for x
    x = 7,161,714,436.13/112,538.92
  6. Step 6: Final answer
    x = 63,637.67

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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.