Home / 216,216.03-324,215.17-72,070.81

Finding the Fourth Proportional to 216,216.03, 324,215.17 and 72,070.81

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Solution

The fourth proportional to 216,216.03, 324,215.17 and 72,070.81 is: 108,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,216.03 : 324,215.17 = 72,070.81 : x
  2. Step 2: Convert to fraction form
    216,216.03/324,215.17 = 72,070.81/x
  3. Step 3: Cross multiply
    216,216.03x = 324,215.17 × 72,070.81
  4. Step 4: Simplify right side
    216,216.03x = 23,366,448,925.47
  5. Step 5: Solve for x
    x = 23,366,448,925.47/216,216.03
  6. Step 6: Final answer
    x = 108,069.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.