Home / 210,953.51-291,115.83-115,460.20

Finding the Fourth Proportional to 210,953.51, 291,115.83 and 115,460.20

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Solution

The fourth proportional to 210,953.51, 291,115.83 and 115,460.20 is: 159,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,953.51 : 291,115.83 = 115,460.20 : x
  2. Step 2: Convert to fraction form
    210,953.51/291,115.83 = 115,460.20/x
  3. Step 3: Cross multiply
    210,953.51x = 291,115.83 × 115,460.20
  4. Step 4: Simplify right side
    210,953.51x = 33,612,291,227.18
  5. Step 5: Solve for x
    x = 33,612,291,227.18/210,953.51
  6. Step 6: Final answer
    x = 159,335.07

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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.