Home / 219,126.04-302,387.79-123,641.62

Finding the Fourth Proportional to 219,126.04, 302,387.79 and 123,641.62

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Solution

The fourth proportional to 219,126.04, 302,387.79 and 123,641.62 is: 170,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,126.04 : 302,387.79 = 123,641.62 : x
  2. Step 2: Convert to fraction form
    219,126.04/302,387.79 = 123,641.62/x
  3. Step 3: Cross multiply
    219,126.04x = 302,387.79 × 123,641.62
  4. Step 4: Simplify right side
    219,126.04x = 37,387,716,223.82
  5. Step 5: Solve for x
    x = 37,387,716,223.82/219,126.04
  6. Step 6: Final answer
    x = 170,621.97

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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.