Home / 132,287.13-198,443.81-42,307.22

Finding the Fourth Proportional to 132,287.13, 198,443.81 and 42,307.22

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Solution

The fourth proportional to 132,287.13, 198,443.81 and 42,307.22 is: 63,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,287.13 : 198,443.81 = 42,307.22 : x
  2. Step 2: Convert to fraction form
    132,287.13/198,443.81 = 42,307.22/x
  3. Step 3: Cross multiply
    132,287.13x = 198,443.81 × 42,307.22
  4. Step 4: Simplify right side
    132,287.13x = 8,395,606,529.19
  5. Step 5: Solve for x
    x = 8,395,606,529.19/132,287.13
  6. Step 6: Final answer
    x = 63,465.03

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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.