Home / 153,927.49-230,874.99-72,855.10

Finding the Fourth Proportional to 153,927.49, 230,874.99 and 72,855.10

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Solution

The fourth proportional to 153,927.49, 230,874.99 and 72,855.10 is: 109,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,927.49 : 230,874.99 = 72,855.10 : x
  2. Step 2: Convert to fraction form
    153,927.49/230,874.99 = 72,855.10/x
  3. Step 3: Cross multiply
    153,927.49x = 230,874.99 × 72,855.10
  4. Step 4: Simplify right side
    153,927.49x = 16,820,420,483.95
  5. Step 5: Solve for x
    x = 16,820,420,483.95/153,927.49
  6. Step 6: Final answer
    x = 109,274.96

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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.