Home / 141,708.08-195,566.00-78,045.86

Finding the Fourth Proportional to 141,708.08, 195,566.00 and 78,045.86

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Solution

The fourth proportional to 141,708.08, 195,566.00 and 78,045.86 is: 107,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.08 : 195,566.00 = 78,045.86 : x
  2. Step 2: Convert to fraction form
    141,708.08/195,566.00 = 78,045.86/x
  3. Step 3: Cross multiply
    141,708.08x = 195,566.00 × 78,045.86
  4. Step 4: Simplify right side
    141,708.08x = 15,263,116,266.53
  5. Step 5: Solve for x
    x = 15,263,116,266.53/141,708.08
  6. Step 6: Final answer
    x = 107,708.16

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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.