Home / 141,935.47-212,727.89-121,803.45

Finding the Fourth Proportional to 141,935.47, 212,727.89 and 121,803.45

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Solution

The fourth proportional to 141,935.47, 212,727.89 and 121,803.45 is: 182,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,935.47 : 212,727.89 = 121,803.45 : x
  2. Step 2: Convert to fraction form
    141,935.47/212,727.89 = 121,803.45/x
  3. Step 3: Cross multiply
    141,935.47x = 212,727.89 × 121,803.45
  4. Step 4: Simplify right side
    141,935.47x = 25,910,990,304.20
  5. Step 5: Solve for x
    x = 25,910,990,304.20/141,935.47
  6. Step 6: Final answer
    x = 182,554.72

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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.