Home / 237,981.98-328,390.80-142,486.22

Finding the Fourth Proportional to 237,981.98, 328,390.80 and 142,486.22

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Solution

The fourth proportional to 237,981.98, 328,390.80 and 142,486.22 is: 196,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,981.98 : 328,390.80 = 142,486.22 : x
  2. Step 2: Convert to fraction form
    237,981.98/328,390.80 = 142,486.22/x
  3. Step 3: Cross multiply
    237,981.98x = 328,390.80 × 142,486.22
  4. Step 4: Simplify right side
    237,981.98x = 46,791,163,774.78
  5. Step 5: Solve for x
    x = 46,791,163,774.78/237,981.98
  6. Step 6: Final answer
    x = 196,616.42

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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.