Home / 141,475.88-195,238.26-77,814.20

Finding the Fourth Proportional to 141,475.88, 195,238.26 and 77,814.20

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Solution

The fourth proportional to 141,475.88, 195,238.26 and 77,814.20 is: 107,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,475.88 : 195,238.26 = 77,814.20 : x
  2. Step 2: Convert to fraction form
    141,475.88/195,238.26 = 77,814.20/x
  3. Step 3: Cross multiply
    141,475.88x = 195,238.26 × 77,814.20
  4. Step 4: Simplify right side
    141,475.88x = 15,192,309,011.29
  5. Step 5: Solve for x
    x = 15,192,309,011.29/141,475.88
  6. Step 6: Final answer
    x = 107,384.45

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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.