Home / 219,220.04-302,532.12-123,724.68

Finding the Fourth Proportional to 219,220.04, 302,532.12 and 123,724.68

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Solution

The fourth proportional to 219,220.04, 302,532.12 and 123,724.68 is: 170,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,220.04 : 302,532.12 = 123,724.68 : x
  2. Step 2: Convert to fraction form
    219,220.04/302,532.12 = 123,724.68/x
  3. Step 3: Cross multiply
    219,220.04x = 302,532.12 × 123,724.68
  4. Step 4: Simplify right side
    219,220.04x = 37,430,689,736.72
  5. Step 5: Solve for x
    x = 37,430,689,736.72/219,220.04
  6. Step 6: Final answer
    x = 170,744.84

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1.5x scale

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.