Home / 141,495.24-195,264.36-77,831.40

Finding the Fourth Proportional to 141,495.24, 195,264.36 and 77,831.40

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Solution

The fourth proportional to 141,495.24, 195,264.36 and 77,831.40 is: 107,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,495.24 : 195,264.36 = 77,831.40 : x
  2. Step 2: Convert to fraction form
    141,495.24/195,264.36 = 77,831.40/x
  3. Step 3: Cross multiply
    141,495.24x = 195,264.36 × 77,831.40
  4. Step 4: Simplify right side
    141,495.24x = 15,197,698,508.90
  5. Step 5: Solve for x
    x = 15,197,698,508.90/141,495.24
  6. Step 6: Final answer
    x = 107,407.84

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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.