Home / 217,827.04-300,566.02-136,145.66

Finding the Fourth Proportional to 217,827.04, 300,566.02 and 136,145.66

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Solution

The fourth proportional to 217,827.04, 300,566.02 and 136,145.66 is: 187,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,827.04 : 300,566.02 = 136,145.66 : x
  2. Step 2: Convert to fraction form
    217,827.04/300,566.02 = 136,145.66/x
  3. Step 3: Cross multiply
    217,827.04x = 300,566.02 × 136,145.66
  4. Step 4: Simplify right side
    217,827.04x = 40,920,759,166.47
  5. Step 5: Solve for x
    x = 40,920,759,166.47/217,827.04
  6. Step 6: Final answer
    x = 187,858.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.