Home / 90,148.41-135,222.45-34,001.13

Finding the Fourth Proportional to 90,148.41, 135,222.45 and 34,001.13

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Solution

The fourth proportional to 90,148.41, 135,222.45 and 34,001.13 is: 51,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,148.41 : 135,222.45 = 34,001.13 : x
  2. Step 2: Convert to fraction form
    90,148.41/135,222.45 = 34,001.13/x
  3. Step 3: Cross multiply
    90,148.41x = 135,222.45 × 34,001.13
  4. Step 4: Simplify right side
    90,148.41x = 4,597,716,101.37
  5. Step 5: Solve for x
    x = 4,597,716,101.37/90,148.41
  6. Step 6: Final answer
    x = 51,001.63

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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.