Home / 239,418.86-330,395.37-137,446.76

Finding the Fourth Proportional to 239,418.86, 330,395.37 and 137,446.76

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Solution

The fourth proportional to 239,418.86, 330,395.37 and 137,446.76 is: 189,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,418.86 : 330,395.37 = 137,446.76 : x
  2. Step 2: Convert to fraction form
    239,418.86/330,395.37 = 137,446.76/x
  3. Step 3: Cross multiply
    239,418.86x = 330,395.37 × 137,446.76
  4. Step 4: Simplify right side
    239,418.86x = 45,411,773,125.50
  5. Step 5: Solve for x
    x = 45,411,773,125.50/239,418.86
  6. Step 6: Final answer
    x = 189,675.00

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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.