Home / 141,313.02-211,947.45-91,744.66

Finding the Fourth Proportional to 141,313.02, 211,947.45 and 91,744.66

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Solution

The fourth proportional to 141,313.02, 211,947.45 and 91,744.66 is: 137,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.02 : 211,947.45 = 91,744.66 : x
  2. Step 2: Convert to fraction form
    141,313.02/211,947.45 = 91,744.66/x
  3. Step 3: Cross multiply
    141,313.02x = 211,947.45 × 91,744.66
  4. Step 4: Simplify right side
    141,313.02x = 19,445,046,738.12
  5. Step 5: Solve for x
    x = 19,445,046,738.12/141,313.02
  6. Step 6: Final answer
    x = 137,602.66

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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.