Home / 207,803.08-286,869.90-156,736.36

Finding the Fourth Proportional to 207,803.08, 286,869.90 and 156,736.36

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Solution

The fourth proportional to 207,803.08, 286,869.90 and 156,736.36 is: 216,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,803.08 : 286,869.90 = 156,736.36 : x
  2. Step 2: Convert to fraction form
    207,803.08/286,869.90 = 156,736.36/x
  3. Step 3: Cross multiply
    207,803.08x = 286,869.90 × 156,736.36
  4. Step 4: Simplify right side
    207,803.08x = 44,962,943,919.56
  5. Step 5: Solve for x
    x = 44,962,943,919.56/207,803.08
  6. Step 6: Final answer
    x = 216,372.85

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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.