Home / 219,150.99-302,411.70-123,666.57

Finding the Fourth Proportional to 219,150.99, 302,411.70 and 123,666.57

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Solution

The fourth proportional to 219,150.99, 302,411.70 and 123,666.57 is: 170,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,150.99 : 302,411.70 = 123,666.57 : x
  2. Step 2: Convert to fraction form
    219,150.99/302,411.70 = 123,666.57/x
  3. Step 3: Cross multiply
    219,150.99x = 302,411.70 × 123,666.57
  4. Step 4: Simplify right side
    219,150.99x = 37,398,217,666.87
  5. Step 5: Solve for x
    x = 37,398,217,666.87/219,150.99
  6. Step 6: Final answer
    x = 170,650.46

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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.