Home / 210,180.59-290,046.79-114,688.88

Finding the Fourth Proportional to 210,180.59, 290,046.79 and 114,688.88

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Solution

The fourth proportional to 210,180.59, 290,046.79 and 114,688.88 is: 158,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,180.59 : 290,046.79 = 114,688.88 : x
  2. Step 2: Convert to fraction form
    210,180.59/290,046.79 = 114,688.88/x
  3. Step 3: Cross multiply
    210,180.59x = 290,046.79 × 114,688.88
  4. Step 4: Simplify right side
    210,180.59x = 33,265,141,492.70
  5. Step 5: Solve for x
    x = 33,265,141,492.70/210,180.59
  6. Step 6: Final answer
    x = 158,269.33

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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.