Home / 151,350.58-208,645.63-105,887.71

Finding the Fourth Proportional to 151,350.58, 208,645.63 and 105,887.71

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Solution

The fourth proportional to 151,350.58, 208,645.63 and 105,887.71 is: 145,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,350.58 : 208,645.63 = 105,887.71 : x
  2. Step 2: Convert to fraction form
    151,350.58/208,645.63 = 105,887.71/x
  3. Step 3: Cross multiply
    151,350.58x = 208,645.63 × 105,887.71
  4. Step 4: Simplify right side
    151,350.58x = 22,093,007,962.21
  5. Step 5: Solve for x
    x = 22,093,007,962.21/151,350.58
  6. Step 6: Final answer
    x = 145,972.40

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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.