Home / 216,923.68-299,357.85-124,992.28

Finding the Fourth Proportional to 216,923.68, 299,357.85 and 124,992.28

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Solution

The fourth proportional to 216,923.68, 299,357.85 and 124,992.28 is: 172,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,923.68 : 299,357.85 = 124,992.28 : x
  2. Step 2: Convert to fraction form
    216,923.68/299,357.85 = 124,992.28/x
  3. Step 3: Cross multiply
    216,923.68x = 299,357.85 × 124,992.28
  4. Step 4: Simplify right side
    216,923.68x = 37,417,420,207.40
  5. Step 5: Solve for x
    x = 37,417,420,207.40/216,923.68
  6. Step 6: Final answer
    x = 172,491.17

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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.