Home / 237,853.89-328,238.46-130,421.70

Finding the Fourth Proportional to 237,853.89, 328,238.46 and 130,421.70

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Solution

The fourth proportional to 237,853.89, 328,238.46 and 130,421.70 is: 179,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,853.89 : 328,238.46 = 130,421.70 : x
  2. Step 2: Convert to fraction form
    237,853.89/328,238.46 = 130,421.70/x
  3. Step 3: Cross multiply
    237,853.89x = 328,238.46 × 130,421.70
  4. Step 4: Simplify right side
    237,853.89x = 42,809,417,958.58
  5. Step 5: Solve for x
    x = 42,809,417,958.58/237,853.89
  6. Step 6: Final answer
    x = 179,982.00

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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.