Home / 152,711.07-210,734.13-84,727.32

Finding the Fourth Proportional to 152,711.07, 210,734.13 and 84,727.32

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Solution

The fourth proportional to 152,711.07, 210,734.13 and 84,727.32 is: 116,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,711.07 : 210,734.13 = 84,727.32 : x
  2. Step 2: Convert to fraction form
    152,711.07/210,734.13 = 84,727.32/x
  3. Step 3: Cross multiply
    152,711.07x = 210,734.13 × 84,727.32
  4. Step 4: Simplify right side
    152,711.07x = 17,854,938,067.43
  5. Step 5: Solve for x
    x = 17,854,938,067.43/152,711.07
  6. Step 6: Final answer
    x = 116,919.74

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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.