Home / 112,607.04-168,914.88-50,278.08

Finding the Fourth Proportional to 112,607.04, 168,914.88 and 50,278.08

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Solution

The fourth proportional to 112,607.04, 168,914.88 and 50,278.08 is: 75,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,607.04 : 168,914.88 = 50,278.08 : x
  2. Step 2: Convert to fraction form
    112,607.04/168,914.88 = 50,278.08/x
  3. Step 3: Cross multiply
    112,607.04x = 168,914.88 × 50,278.08
  4. Step 4: Simplify right side
    112,607.04x = 8,492,715,849.83
  5. Step 5: Solve for x
    x = 8,492,715,849.83/112,607.04
  6. Step 6: Final answer
    x = 75,419.05

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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.