Home / 143,831.04-215,746.37-38,650.01

Finding the Fourth Proportional to 143,831.04, 215,746.37 and 38,650.01

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Solution

The fourth proportional to 143,831.04, 215,746.37 and 38,650.01 is: 57,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,831.04 : 215,746.37 = 38,650.01 : x
  2. Step 2: Convert to fraction form
    143,831.04/215,746.37 = 38,650.01/x
  3. Step 3: Cross multiply
    143,831.04x = 215,746.37 × 38,650.01
  4. Step 4: Simplify right side
    143,831.04x = 8,338,599,357.96
  5. Step 5: Solve for x
    x = 8,338,599,357.96/143,831.04
  6. Step 6: Final answer
    x = 57,974.96

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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.