Home / 106,541.05-147,021.64-61,187.05

Finding the Fourth Proportional to 106,541.05, 147,021.64 and 61,187.05

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Solution

The fourth proportional to 106,541.05, 147,021.64 and 61,187.05 is: 84,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,541.05 : 147,021.64 = 61,187.05 : x
  2. Step 2: Convert to fraction form
    106,541.05/147,021.64 = 61,187.05/x
  3. Step 3: Cross multiply
    106,541.05x = 147,021.64 × 61,187.05
  4. Step 4: Simplify right side
    106,541.05x = 8,995,820,437.76
  5. Step 5: Solve for x
    x = 8,995,820,437.76/106,541.05
  6. Step 6: Final answer
    x = 84,435.25

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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.