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Finding the Fourth Proportional to 243,525.69, 336,064.68 and 136,095.66

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Solution

The fourth proportional to 243,525.69, 336,064.68 and 136,095.66 is: 187,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,525.69 : 336,064.68 = 136,095.66 : x
  2. Step 2: Convert to fraction form
    243,525.69/336,064.68 = 136,095.66/x
  3. Step 3: Cross multiply
    243,525.69x = 336,064.68 × 136,095.66
  4. Step 4: Simplify right side
    243,525.69x = 45,736,944,427.29
  5. Step 5: Solve for x
    x = 45,736,944,427.29/243,525.69
  6. Step 6: Final answer
    x = 187,811.58

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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.