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Finding the Fourth Proportional to 151,362.54, 208,880.34 and 87,737.24

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Solution

The fourth proportional to 151,362.54, 208,880.34 and 87,737.24 is: 121,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,362.54 : 208,880.34 = 87,737.24 : x
  2. Step 2: Convert to fraction form
    151,362.54/208,880.34 = 87,737.24/x
  3. Step 3: Cross multiply
    151,362.54x = 208,880.34 × 87,737.24
  4. Step 4: Simplify right side
    151,362.54x = 18,326,584,521.86
  5. Step 5: Solve for x
    x = 18,326,584,521.86/151,362.54
  6. Step 6: Final answer
    x = 121,077.41

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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.