Home / 151,362.42-208,880.19-87,737.12

Finding the Fourth Proportional to 151,362.42, 208,880.19 and 87,737.12

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Solution

The fourth proportional to 151,362.42, 208,880.19 and 87,737.12 is: 121,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,362.42 : 208,880.19 = 87,737.12 : x
  2. Step 2: Convert to fraction form
    151,362.42/208,880.19 = 87,737.12/x
  3. Step 3: Cross multiply
    151,362.42x = 208,880.19 × 87,737.12
  4. Step 4: Simplify right side
    151,362.42x = 18,326,545,856.97
  5. Step 5: Solve for x
    x = 18,326,545,856.97/151,362.42
  6. Step 6: Final answer
    x = 121,077.25

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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.