Home / 134,884.71-202,222.35-87,399.45

Finding the Fourth Proportional to 134,884.71, 202,222.35 and 87,399.45

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Solution

The fourth proportional to 134,884.71, 202,222.35 and 87,399.45 is: 131,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,884.71 : 202,222.35 = 87,399.45 : x
  2. Step 2: Convert to fraction form
    134,884.71/202,222.35 = 87,399.45/x
  3. Step 3: Cross multiply
    134,884.71x = 202,222.35 × 87,399.45
  4. Step 4: Simplify right side
    134,884.71x = 17,674,122,167.71
  5. Step 5: Solve for x
    x = 17,674,122,167.71/134,884.71
  6. Step 6: Final answer
    x = 131,031.32

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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.