Home / 106,661.40-147,192.37-61,337.24

Finding the Fourth Proportional to 106,661.40, 147,192.37 and 61,337.24

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Solution

The fourth proportional to 106,661.40, 147,192.37 and 61,337.24 is: 84,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,661.40 : 147,192.37 = 61,337.24 : x
  2. Step 2: Convert to fraction form
    106,661.40/147,192.37 = 61,337.24/x
  3. Step 3: Cross multiply
    106,661.40x = 147,192.37 × 61,337.24
  4. Step 4: Simplify right side
    106,661.40x = 9,028,373,939.50
  5. Step 5: Solve for x
    x = 9,028,373,939.50/106,661.40
  6. Step 6: Final answer
    x = 84,645.19

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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.