Home / 210,039.88-289,691.22-134,595.40

Finding the Fourth Proportional to 210,039.88, 289,691.22 and 134,595.40

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Solution

The fourth proportional to 210,039.88, 289,691.22 and 134,595.40 is: 185,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,039.88 : 289,691.22 = 134,595.40 : x
  2. Step 2: Convert to fraction form
    210,039.88/289,691.22 = 134,595.40/x
  3. Step 3: Cross multiply
    210,039.88x = 289,691.22 × 134,595.40
  4. Step 4: Simplify right side
    210,039.88x = 38,991,105,632.39
  5. Step 5: Solve for x
    x = 38,991,105,632.39/210,039.88
  6. Step 6: Final answer
    x = 185,636.68

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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.