Home / 216,835.04-325,077.24-90,572.01

Finding the Fourth Proportional to 216,835.04, 325,077.24 and 90,572.01

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Solution

The fourth proportional to 216,835.04, 325,077.24 and 90,572.01 is: 135,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,835.04 : 325,077.24 = 90,572.01 : x
  2. Step 2: Convert to fraction form
    216,835.04/325,077.24 = 90,572.01/x
  3. Step 3: Cross multiply
    216,835.04x = 325,077.24 × 90,572.01
  4. Step 4: Simplify right side
    216,835.04x = 29,442,899,032.05
  5. Step 5: Solve for x
    x = 29,442,899,032.05/216,835.04
  6. Step 6: Final answer
    x = 135,784.79

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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.