Home / 126,317.34-189,495.48-51,442.66

Finding the Fourth Proportional to 126,317.34, 189,495.48 and 51,442.66

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Solution

The fourth proportional to 126,317.34, 189,495.48 and 51,442.66 is: 77,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317.34 : 189,495.48 = 51,442.66 : x
  2. Step 2: Convert to fraction form
    126,317.34/189,495.48 = 51,442.66/x
  3. Step 3: Cross multiply
    126,317.34x = 189,495.48 × 51,442.66
  4. Step 4: Simplify right side
    126,317.34x = 9,748,151,549.18
  5. Step 5: Solve for x
    x = 9,748,151,549.18/126,317.34
  6. Step 6: Final answer
    x = 77,171.92

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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.