Home / 252,646.24-378,746.36-103,011.72

Finding the Fourth Proportional to 252,646.24, 378,746.36 and 103,011.72

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Solution

The fourth proportional to 252,646.24, 378,746.36 and 103,011.72 is: 154,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,646.24 : 378,746.36 = 103,011.72 : x
  2. Step 2: Convert to fraction form
    252,646.24/378,746.36 = 103,011.72/x
  3. Step 3: Cross multiply
    252,646.24x = 378,746.36 × 103,011.72
  4. Step 4: Simplify right side
    252,646.24x = 39,015,313,987.34
  5. Step 5: Solve for x
    x = 39,015,313,987.34/252,646.24
  6. Step 6: Final answer
    x = 154,426.66

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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.