Home / 140,670.42-210,552.57-92,678.66

Finding the Fourth Proportional to 140,670.42, 210,552.57 and 92,678.66

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Solution

The fourth proportional to 140,670.42, 210,552.57 and 92,678.66 is: 138,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,670.42 : 210,552.57 = 92,678.66 : x
  2. Step 2: Convert to fraction form
    140,670.42/210,552.57 = 92,678.66/x
  3. Step 3: Cross multiply
    140,670.42x = 210,552.57 × 92,678.66
  4. Step 4: Simplify right side
    140,670.42x = 19,513,728,994.39
  5. Step 5: Solve for x
    x = 19,513,728,994.39/140,670.42
  6. Step 6: Final answer
    x = 138,719.49

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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.