Home / 210,275.08-290,179.49-114,781.75

Finding the Fourth Proportional to 210,275.08, 290,179.49 and 114,781.75

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Solution

The fourth proportional to 210,275.08, 290,179.49 and 114,781.75 is: 158,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,275.08 : 290,179.49 = 114,781.75 : x
  2. Step 2: Convert to fraction form
    210,275.08/290,179.49 = 114,781.75/x
  3. Step 3: Cross multiply
    210,275.08x = 290,179.49 × 114,781.75
  4. Step 4: Simplify right side
    210,275.08x = 33,307,308,376.95
  5. Step 5: Solve for x
    x = 33,307,308,376.95/210,275.08
  6. Step 6: Final answer
    x = 158,398.74

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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.