Home / 106,765.28-147,341.76-61,450.16

Finding the Fourth Proportional to 106,765.28, 147,341.76 and 61,450.16

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Solution

The fourth proportional to 106,765.28, 147,341.76 and 61,450.16 is: 84,804.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,765.28 : 147,341.76 = 61,450.16 : x
  2. Step 2: Convert to fraction form
    106,765.28/147,341.76 = 61,450.16/x
  3. Step 3: Cross multiply
    106,765.28x = 147,341.76 × 61,450.16
  4. Step 4: Simplify right side
    106,765.28x = 9,054,174,726.68
  5. Step 5: Solve for x
    x = 9,054,174,726.68/106,765.28
  6. Step 6: Final answer
    x = 84,804.49

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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.