Home / 210,536.60-290,537.02-115,041.25

Finding the Fourth Proportional to 210,536.60, 290,537.02 and 115,041.25

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Solution

The fourth proportional to 210,536.60, 290,537.02 and 115,041.25 is: 158,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,536.60 : 290,537.02 = 115,041.25 : x
  2. Step 2: Convert to fraction form
    210,536.60/290,537.02 = 115,041.25/x
  3. Step 3: Cross multiply
    210,536.60x = 290,537.02 × 115,041.25
  4. Step 4: Simplify right side
    210,536.60x = 33,423,741,952.08
  5. Step 5: Solve for x
    x = 33,423,741,952.08/210,536.60
  6. Step 6: Final answer
    x = 158,755.02

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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.