Home / 239,156.86-330,029.67-130,258.75

Finding the Fourth Proportional to 239,156.86, 330,029.67 and 130,258.75

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Solution

The fourth proportional to 239,156.86, 330,029.67 and 130,258.75 is: 179,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,156.86 : 330,029.67 = 130,258.75 : x
  2. Step 2: Convert to fraction form
    239,156.86/330,029.67 = 130,258.75/x
  3. Step 3: Cross multiply
    239,156.86x = 330,029.67 × 130,258.75
  4. Step 4: Simplify right side
    239,156.86x = 42,989,252,277.11
  5. Step 5: Solve for x
    x = 42,989,252,277.11/239,156.86
  6. Step 6: Final answer
    x = 179,753.37

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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.