Home / 210,146.52-290,003.16-114,655.20

Finding the Fourth Proportional to 210,146.52, 290,003.16 and 114,655.20

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Solution

The fourth proportional to 210,146.52, 290,003.16 and 114,655.20 is: 158,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,146.52 : 290,003.16 = 114,655.20 : x
  2. Step 2: Convert to fraction form
    210,146.52/290,003.16 = 114,655.20/x
  3. Step 3: Cross multiply
    210,146.52x = 290,003.16 × 114,655.20
  4. Step 4: Simplify right side
    210,146.52x = 33,250,370,310.43
  5. Step 5: Solve for x
    x = 33,250,370,310.43/210,146.52
  6. Step 6: Final answer
    x = 158,224.70

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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.