Home / 219,208.65-302,501.82-123,724.23

Finding the Fourth Proportional to 219,208.65, 302,501.82 and 123,724.23

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Solution

The fourth proportional to 219,208.65, 302,501.82 and 123,724.23 is: 170,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,208.65 : 302,501.82 = 123,724.23 : x
  2. Step 2: Convert to fraction form
    219,208.65/302,501.82 = 123,724.23/x
  3. Step 3: Cross multiply
    219,208.65x = 302,501.82 × 123,724.23
  4. Step 4: Simplify right side
    219,208.65x = 37,426,804,753.10
  5. Step 5: Solve for x
    x = 37,426,804,753.10/219,208.65
  6. Step 6: Final answer
    x = 170,735.98

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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.