Home / 151,140-226,719.36-45,966.72

Finding the Fourth Proportional to 151,140, 226,719.36 and 45,966.72

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Solution

The fourth proportional to 151,140, 226,719.36 and 45,966.72 is: 68,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,140 : 226,719.36 = 45,966.72 : x
  2. Step 2: Convert to fraction form
    151,140/226,719.36 = 45,966.72/x
  3. Step 3: Cross multiply
    151,140x = 226,719.36 × 45,966.72
  4. Step 4: Simplify right side
    151,140x = 10,421,545,339.70
  5. Step 5: Solve for x
    x = 10,421,545,339.70/151,140
  6. Step 6: Final answer
    x = 68,952.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.