Home / 112,127.90-168,158.84-41,990.81

Finding the Fourth Proportional to 112,127.90, 168,158.84 and 41,990.81

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Solution

The fourth proportional to 112,127.90, 168,158.84 and 41,990.81 is: 62,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,127.90 : 168,158.84 = 41,990.81 : x
  2. Step 2: Convert to fraction form
    112,127.90/168,158.84 = 41,990.81/x
  3. Step 3: Cross multiply
    112,127.90x = 168,158.84 × 41,990.81
  4. Step 4: Simplify right side
    112,127.90x = 7,061,124,849.51
  5. Step 5: Solve for x
    x = 7,061,124,849.51/112,127.90
  6. Step 6: Final answer
    x = 62,973.85

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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.