Home / 210,560.18-290,566.29-115,066.58

Finding the Fourth Proportional to 210,560.18, 290,566.29 and 115,066.58

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Solution

The fourth proportional to 210,560.18, 290,566.29 and 115,066.58 is: 158,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,560.18 : 290,566.29 = 115,066.58 : x
  2. Step 2: Convert to fraction form
    210,560.18/290,566.29 = 115,066.58/x
  3. Step 3: Cross multiply
    210,560.18x = 290,566.29 × 115,066.58
  4. Step 4: Simplify right side
    210,560.18x = 33,434,469,253.59
  5. Step 5: Solve for x
    x = 33,434,469,253.59/210,560.18
  6. Step 6: Final answer
    x = 158,788.19

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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.