Home / 151,340.16-208,847.46-83,355.84

Finding the Fourth Proportional to 151,340.16, 208,847.46 and 83,355.84

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Solution

The fourth proportional to 151,340.16, 208,847.46 and 83,355.84 is: 115,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,340.16 : 208,847.46 = 83,355.84 : x
  2. Step 2: Convert to fraction form
    151,340.16/208,847.46 = 83,355.84/x
  3. Step 3: Cross multiply
    151,340.16x = 208,847.46 × 83,355.84
  4. Step 4: Simplify right side
    151,340.16x = 17,408,655,460.17
  5. Step 5: Solve for x
    x = 17,408,655,460.17/151,340.16
  6. Step 6: Final answer
    x = 115,029.98

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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.