Home / 151,147.42-208,580.07-87,483.94

Finding the Fourth Proportional to 151,147.42, 208,580.07 and 87,483.94

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Solution

The fourth proportional to 151,147.42, 208,580.07 and 87,483.94 is: 120,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,147.42 : 208,580.07 = 87,483.94 : x
  2. Step 2: Convert to fraction form
    151,147.42/208,580.07 = 87,483.94/x
  3. Step 3: Cross multiply
    151,147.42x = 208,580.07 × 87,483.94
  4. Step 4: Simplify right side
    151,147.42x = 18,247,406,329.08
  5. Step 5: Solve for x
    x = 18,247,406,329.08/151,147.42
  6. Step 6: Final answer
    x = 120,725.89

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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.