Home / 109,741.36-151,442.28-59,440

Finding the Fourth Proportional to 109,741.36, 151,442.28 and 59,440

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Solution

The fourth proportional to 109,741.36, 151,442.28 and 59,440 is: 82,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,741.36 : 151,442.28 = 59,440 : x
  2. Step 2: Convert to fraction form
    109,741.36/151,442.28 = 59,440/x
  3. Step 3: Cross multiply
    109,741.36x = 151,442.28 × 59,440
  4. Step 4: Simplify right side
    109,741.36x = 9,001,729,123.20
  5. Step 5: Solve for x
    x = 9,001,729,123.20/109,741.36
  6. Step 6: Final answer
    x = 82,026.77

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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.