Home / 131,585.64-197,378.34-42,839.00

Finding the Fourth Proportional to 131,585.64, 197,378.34 and 42,839.00

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Solution

The fourth proportional to 131,585.64, 197,378.34 and 42,839.00 is: 64,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,585.64 : 197,378.34 = 42,839.00 : x
  2. Step 2: Convert to fraction form
    131,585.64/197,378.34 = 42,839.00/x
  3. Step 3: Cross multiply
    131,585.64x = 197,378.34 × 42,839.00
  4. Step 4: Simplify right side
    131,585.64x = 8,455,491,216.47
  5. Step 5: Solve for x
    x = 8,455,491,216.47/131,585.64
  6. Step 6: Final answer
    x = 64,258.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.