Home / 140,660.15-210,967.47-51,955.43

Finding the Fourth Proportional to 140,660.15, 210,967.47 and 51,955.43

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Solution

The fourth proportional to 140,660.15, 210,967.47 and 51,955.43 is: 77,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,660.15 : 210,967.47 = 51,955.43 : x
  2. Step 2: Convert to fraction form
    140,660.15/210,967.47 = 51,955.43/x
  3. Step 3: Cross multiply
    140,660.15x = 210,967.47 × 51,955.43
  4. Step 4: Simplify right side
    140,660.15x = 10,960,904,565.02
  5. Step 5: Solve for x
    x = 10,960,904,565.02/140,660.15
  6. Step 6: Final answer
    x = 77,924.74

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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.