Home / 150,890.84-208,247.47-90,494.71

Finding the Fourth Proportional to 150,890.84, 208,247.47 and 90,494.71

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Solution

The fourth proportional to 150,890.84, 208,247.47 and 90,494.71 is: 124,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,890.84 : 208,247.47 = 90,494.71 : x
  2. Step 2: Convert to fraction form
    150,890.84/208,247.47 = 90,494.71/x
  3. Step 3: Cross multiply
    150,890.84x = 208,247.47 × 90,494.71
  4. Step 4: Simplify right side
    150,890.84x = 18,845,294,830.42
  5. Step 5: Solve for x
    x = 18,845,294,830.42/150,890.84
  6. Step 6: Final answer
    x = 124,893.56

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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.