Home / 210,203.20-290,081.45-114,711.90

Finding the Fourth Proportional to 210,203.20, 290,081.45 and 114,711.90

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Solution

The fourth proportional to 210,203.20, 290,081.45 and 114,711.90 is: 158,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,203.20 : 290,081.45 = 114,711.90 : x
  2. Step 2: Convert to fraction form
    210,203.20/290,081.45 = 114,711.90/x
  3. Step 3: Cross multiply
    210,203.20x = 290,081.45 × 114,711.90
  4. Step 4: Simplify right side
    210,203.20x = 33,275,793,483.23
  5. Step 5: Solve for x
    x = 33,275,793,483.23/210,203.20
  6. Step 6: Final answer
    x = 158,302.98

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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.