Home / 282,147.39-423,219.63-99,913.41

Finding the Fourth Proportional to 282,147.39, 423,219.63 and 99,913.41

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Solution

The fourth proportional to 282,147.39, 423,219.63 and 99,913.41 is: 149,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,147.39 : 423,219.63 = 99,913.41 : x
  2. Step 2: Convert to fraction form
    282,147.39/423,219.63 = 99,913.41/x
  3. Step 3: Cross multiply
    282,147.39x = 423,219.63 × 99,913.41
  4. Step 4: Simplify right side
    282,147.39x = 42,285,316,412.24
  5. Step 5: Solve for x
    x = 42,285,316,412.24/282,147.39
  6. Step 6: Final answer
    x = 149,869.60

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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.