Home / 151,384.44-207,397.68-145,709.22

Finding the Fourth Proportional to 151,384.44, 207,397.68 and 145,709.22

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Solution

The fourth proportional to 151,384.44, 207,397.68 and 145,709.22 is: 199,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,384.44 : 207,397.68 = 145,709.22 : x
  2. Step 2: Convert to fraction form
    151,384.44/207,397.68 = 145,709.22/x
  3. Step 3: Cross multiply
    151,384.44x = 207,397.68 × 145,709.22
  4. Step 4: Simplify right side
    151,384.44x = 30,219,754,182.61
  5. Step 5: Solve for x
    x = 30,219,754,182.61/151,384.44
  6. Step 6: Final answer
    x = 199,622.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.