Home / 141,831.66-195,721.93-77,299.53

Finding the Fourth Proportional to 141,831.66, 195,721.93 and 77,299.53

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Solution

The fourth proportional to 141,831.66, 195,721.93 and 77,299.53 is: 106,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,831.66 : 195,721.93 = 77,299.53 : x
  2. Step 2: Convert to fraction form
    141,831.66/195,721.93 = 77,299.53/x
  3. Step 3: Cross multiply
    141,831.66x = 195,721.93 × 77,299.53
  4. Step 4: Simplify right side
    141,831.66x = 15,129,213,199.69
  5. Step 5: Solve for x
    x = 15,129,213,199.69/141,831.66
  6. Step 6: Final answer
    x = 106,670.21

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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.