Home / 210,962.39-291,127.61-115,468.25

Finding the Fourth Proportional to 210,962.39, 291,127.61 and 115,468.25

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Solution

The fourth proportional to 210,962.39, 291,127.61 and 115,468.25 is: 159,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,962.39 : 291,127.61 = 115,468.25 : x
  2. Step 2: Convert to fraction form
    210,962.39/291,127.61 = 115,468.25/x
  3. Step 3: Cross multiply
    210,962.39x = 291,127.61 × 115,468.25
  4. Step 4: Simplify right side
    210,962.39x = 33,615,995,076.04
  5. Step 5: Solve for x
    x = 33,615,995,076.04/210,962.39
  6. Step 6: Final answer
    x = 159,345.92

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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.