Home / 282,109.11-423,166.37-71,746.98

Finding the Fourth Proportional to 282,109.11, 423,166.37 and 71,746.98

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Solution

The fourth proportional to 282,109.11, 423,166.37 and 71,746.98 is: 107,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,109.11 : 423,166.37 = 71,746.98 : x
  2. Step 2: Convert to fraction form
    282,109.11/423,166.37 = 71,746.98/x
  3. Step 3: Cross multiply
    282,109.11x = 423,166.37 × 71,746.98
  4. Step 4: Simplify right side
    282,109.11x = 30,360,908,726.33
  5. Step 5: Solve for x
    x = 30,360,908,726.33/282,109.11
  6. Step 6: Final answer
    x = 107,621.16

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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.