Home / 147,831.81-203,768.23-115,509.93

Finding the Fourth Proportional to 147,831.81, 203,768.23 and 115,509.93

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Solution

The fourth proportional to 147,831.81, 203,768.23 and 115,509.93 is: 159,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,831.81 : 203,768.23 = 115,509.93 : x
  2. Step 2: Convert to fraction form
    147,831.81/203,768.23 = 115,509.93/x
  3. Step 3: Cross multiply
    147,831.81x = 203,768.23 × 115,509.93
  4. Step 4: Simplify right side
    147,831.81x = 23,537,253,983.52
  5. Step 5: Solve for x
    x = 23,537,253,983.52/147,831.81
  6. Step 6: Final answer
    x = 159,216.44

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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.