Home / 210,955.51-291,118.59-115,462.20

Finding the Fourth Proportional to 210,955.51, 291,118.59 and 115,462.20

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Solution

The fourth proportional to 210,955.51, 291,118.59 and 115,462.20 is: 159,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,955.51 : 291,118.59 = 115,462.20 : x
  2. Step 2: Convert to fraction form
    210,955.51/291,118.59 = 115,462.20/x
  3. Step 3: Cross multiply
    210,955.51x = 291,118.59 × 115,462.20
  4. Step 4: Simplify right side
    210,955.51x = 33,613,192,862.30
  5. Step 5: Solve for x
    x = 33,613,192,862.30/210,955.51
  6. Step 6: Final answer
    x = 159,337.83

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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.