Home / 210,955.76-291,118.02-115,462.16

Finding the Fourth Proportional to 210,955.76, 291,118.02 and 115,462.16

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Solution

The fourth proportional to 210,955.76, 291,118.02 and 115,462.16 is: 159,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,955.76 : 291,118.02 = 115,462.16 : x
  2. Step 2: Convert to fraction form
    210,955.76/291,118.02 = 115,462.16/x
  3. Step 3: Cross multiply
    210,955.76x = 291,118.02 × 115,462.16
  4. Step 4: Simplify right side
    210,955.76x = 33,613,115,404.12
  5. Step 5: Solve for x
    x = 33,613,115,404.12/210,955.76
  6. Step 6: Final answer
    x = 159,337.27

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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.