Home / 141,883.56-212,681.70-91,995.24

Finding the Fourth Proportional to 141,883.56, 212,681.70 and 91,995.24

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Solution

The fourth proportional to 141,883.56, 212,681.70 and 91,995.24 is: 137,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,883.56 : 212,681.70 = 91,995.24 : x
  2. Step 2: Convert to fraction form
    141,883.56/212,681.70 = 91,995.24/x
  3. Step 3: Cross multiply
    141,883.56x = 212,681.70 × 91,995.24
  4. Step 4: Simplify right side
    141,883.56x = 19,565,704,035.11
  5. Step 5: Solve for x
    x = 19,565,704,035.11/141,883.56
  6. Step 6: Final answer
    x = 137,899.73

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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.