Home / 237,885.12-328,237.92-142,428.24

Finding the Fourth Proportional to 237,885.12, 328,237.92 and 142,428.24

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Solution

The fourth proportional to 237,885.12, 328,237.92 and 142,428.24 is: 196,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,885.12 : 328,237.92 = 142,428.24 : x
  2. Step 2: Convert to fraction form
    237,885.12/328,237.92 = 142,428.24/x
  3. Step 3: Cross multiply
    237,885.12x = 328,237.92 × 142,428.24
  4. Step 4: Simplify right side
    237,885.12x = 46,750,349,246.86
  5. Step 5: Solve for x
    x = 46,750,349,246.86/237,885.12
  6. Step 6: Final answer
    x = 196,524.90

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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.