Home / 202,931.20-279,874.32-152,063.20

Finding the Fourth Proportional to 202,931.20, 279,874.32 and 152,063.20

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Solution

The fourth proportional to 202,931.20, 279,874.32 and 152,063.20 is: 209,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,931.20 : 279,874.32 = 152,063.20 : x
  2. Step 2: Convert to fraction form
    202,931.20/279,874.32 = 152,063.20/x
  3. Step 3: Cross multiply
    202,931.20x = 279,874.32 × 152,063.20
  4. Step 4: Simplify right side
    202,931.20x = 42,558,584,697.02
  5. Step 5: Solve for x
    x = 42,558,584,697.02/202,931.20
  6. Step 6: Final answer
    x = 209,719.28

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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.