Home / 161,716.20-242,574.30-144,803.40

Finding the Fourth Proportional to 161,716.20, 242,574.30 and 144,803.40

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Solution

The fourth proportional to 161,716.20, 242,574.30 and 144,803.40 is: 217,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,716.20 : 242,574.30 = 144,803.40 : x
  2. Step 2: Convert to fraction form
    161,716.20/242,574.30 = 144,803.40/x
  3. Step 3: Cross multiply
    161,716.20x = 242,574.30 × 144,803.40
  4. Step 4: Simplify right side
    161,716.20x = 35,125,583,392.62
  5. Step 5: Solve for x
    x = 35,125,583,392.62/161,716.20
  6. Step 6: Final answer
    x = 217,205.10

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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.