Home / 214,627.47-296,125.74-134,136.78

Finding the Fourth Proportional to 214,627.47, 296,125.74 and 134,136.78

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Solution

The fourth proportional to 214,627.47, 296,125.74 and 134,136.78 is: 185,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,627.47 : 296,125.74 = 134,136.78 : x
  2. Step 2: Convert to fraction form
    214,627.47/296,125.74 = 134,136.78/x
  3. Step 3: Cross multiply
    214,627.47x = 296,125.74 × 134,136.78
  4. Step 4: Simplify right side
    214,627.47x = 39,721,353,238.72
  5. Step 5: Solve for x
    x = 39,721,353,238.72/214,627.47
  6. Step 6: Final answer
    x = 185,071.15

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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.