Home / 141,330.83-211,996.24-138,870.45

Finding the Fourth Proportional to 141,330.83, 211,996.24 and 138,870.45

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Solution

The fourth proportional to 141,330.83, 211,996.24 and 138,870.45 is: 208,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330.83 : 211,996.24 = 138,870.45 : x
  2. Step 2: Convert to fraction form
    141,330.83/211,996.24 = 138,870.45/x
  3. Step 3: Cross multiply
    141,330.83x = 211,996.24 × 138,870.45
  4. Step 4: Simplify right side
    141,330.83x = 29,440,012,899.93
  5. Step 5: Solve for x
    x = 29,440,012,899.93/141,330.83
  6. Step 6: Final answer
    x = 208,305.68

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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.