Home / 210,960.60-291,126.24-115,468.08

Finding the Fourth Proportional to 210,960.60, 291,126.24 and 115,468.08

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Solution

The fourth proportional to 210,960.60, 291,126.24 and 115,468.08 is: 159,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,960.60 : 291,126.24 = 115,468.08 : x
  2. Step 2: Convert to fraction form
    210,960.60/291,126.24 = 115,468.08/x
  3. Step 3: Cross multiply
    210,960.60x = 291,126.24 × 115,468.08
  4. Step 4: Simplify right side
    210,960.60x = 33,615,787,970.42
  5. Step 5: Solve for x
    x = 33,615,787,970.42/210,960.60
  6. Step 6: Final answer
    x = 159,346.29

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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.