Home / 134,123.22-201,134.60-39,333.78

Finding the Fourth Proportional to 134,123.22, 201,134.60 and 39,333.78

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Solution

The fourth proportional to 134,123.22, 201,134.60 and 39,333.78 is: 58,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,123.22 : 201,134.60 = 39,333.78 : x
  2. Step 2: Convert to fraction form
    134,123.22/201,134.60 = 39,333.78/x
  3. Step 3: Cross multiply
    134,123.22x = 201,134.60 × 39,333.78
  4. Step 4: Simplify right side
    134,123.22x = 7,911,384,106.79
  5. Step 5: Solve for x
    x = 7,911,384,106.79/134,123.22
  6. Step 6: Final answer
    x = 58,985.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.