Home / 151,254.63-208,821.24-134,439.57

Finding the Fourth Proportional to 151,254.63, 208,821.24 and 134,439.57

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Solution

The fourth proportional to 151,254.63, 208,821.24 and 134,439.57 is: 185,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,254.63 : 208,821.24 = 134,439.57 : x
  2. Step 2: Convert to fraction form
    151,254.63/208,821.24 = 134,439.57/x
  3. Step 3: Cross multiply
    151,254.63x = 208,821.24 × 134,439.57
  4. Step 4: Simplify right side
    151,254.63x = 28,073,837,712.47
  5. Step 5: Solve for x
    x = 28,073,837,712.47/151,254.63
  6. Step 6: Final answer
    x = 185,606.47

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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.