Home / 237,774.47-328,138.97-142,262.78

Finding the Fourth Proportional to 237,774.47, 328,138.97 and 142,262.78

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Solution

The fourth proportional to 237,774.47, 328,138.97 and 142,262.78 is: 196,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,774.47 : 328,138.97 = 142,262.78 : x
  2. Step 2: Convert to fraction form
    237,774.47/328,138.97 = 142,262.78/x
  3. Step 3: Cross multiply
    237,774.47x = 328,138.97 × 142,262.78
  4. Step 4: Simplify right side
    237,774.47x = 46,681,959,746.53
  5. Step 5: Solve for x
    x = 46,681,959,746.53/237,774.47
  6. Step 6: Final answer
    x = 196,328.73

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1.5x scale

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.