Home / 106,637.10-147,187.70-61,320.03

Finding the Fourth Proportional to 106,637.10, 147,187.70 and 61,320.03

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Solution

The fourth proportional to 106,637.10, 147,187.70 and 61,320.03 is: 84,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,637.10 : 147,187.70 = 61,320.03 : x
  2. Step 2: Convert to fraction form
    106,637.10/147,187.70 = 61,320.03/x
  3. Step 3: Cross multiply
    106,637.10x = 147,187.70 × 61,320.03
  4. Step 4: Simplify right side
    106,637.10x = 9,025,554,179.63
  5. Step 5: Solve for x
    x = 9,025,554,179.63/106,637.10
  6. Step 6: Final answer
    x = 84,638.03

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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.