Home / 210,983.63-291,146.22-115,471.85

Finding the Fourth Proportional to 210,983.63, 291,146.22 and 115,471.85

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Solution

The fourth proportional to 210,983.63, 291,146.22 and 115,471.85 is: 159,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,983.63 : 291,146.22 = 115,471.85 : x
  2. Step 2: Convert to fraction form
    210,983.63/291,146.22 = 115,471.85/x
  3. Step 3: Cross multiply
    210,983.63x = 291,146.22 × 115,471.85
  4. Step 4: Simplify right side
    210,983.63x = 33,619,191,188.18
  5. Step 5: Solve for x
    x = 33,619,191,188.18/210,983.63
  6. Step 6: Final answer
    x = 159,345.03

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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.