Home / 123,831.36-185,690.16-39,572.91

Finding the Fourth Proportional to 123,831.36, 185,690.16 and 39,572.91

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Solution

The fourth proportional to 123,831.36, 185,690.16 and 39,572.91 is: 59,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,831.36 : 185,690.16 = 39,572.91 : x
  2. Step 2: Convert to fraction form
    123,831.36/185,690.16 = 39,572.91/x
  3. Step 3: Cross multiply
    123,831.36x = 185,690.16 × 39,572.91
  4. Step 4: Simplify right side
    123,831.36x = 7,348,299,989.57
  5. Step 5: Solve for x
    x = 7,348,299,989.57/123,831.36
  6. Step 6: Final answer
    x = 59,341.19

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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.