Home / 282,148.39-423,221.13-99,914.41

Finding the Fourth Proportional to 282,148.39, 423,221.13 and 99,914.41

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Solution

The fourth proportional to 282,148.39, 423,221.13 and 99,914.41 is: 149,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,148.39 : 423,221.13 = 99,914.41 : x
  2. Step 2: Convert to fraction form
    282,148.39/423,221.13 = 99,914.41/x
  3. Step 3: Cross multiply
    282,148.39x = 423,221.13 × 99,914.41
  4. Step 4: Simplify right side
    282,148.39x = 42,285,889,503.48
  5. Step 5: Solve for x
    x = 42,285,889,503.48/282,148.39
  6. Step 6: Final answer
    x = 149,871.10

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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.