Home / 219,209.65-302,503.20-123,725.23

Finding the Fourth Proportional to 219,209.65, 302,503.20 and 123,725.23

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Solution

The fourth proportional to 219,209.65, 302,503.20 and 123,725.23 is: 170,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,209.65 : 302,503.20 = 123,725.23 : x
  2. Step 2: Convert to fraction form
    219,209.65/302,503.20 = 123,725.23/x
  3. Step 3: Cross multiply
    219,209.65x = 302,503.20 × 123,725.23
  4. Step 4: Simplify right side
    219,209.65x = 37,427,277,995.74
  5. Step 5: Solve for x
    x = 37,427,277,995.74/219,209.65
  6. Step 6: Final answer
    x = 170,737.36

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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.