Home / 141,089.34-194,707.08-77,429.43

Finding the Fourth Proportional to 141,089.34, 194,707.08 and 77,429.43

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Solution

The fourth proportional to 141,089.34, 194,707.08 and 77,429.43 is: 106,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,089.34 : 194,707.08 = 77,429.43 : x
  2. Step 2: Convert to fraction form
    141,089.34/194,707.08 = 77,429.43/x
  3. Step 3: Cross multiply
    141,089.34x = 194,707.08 × 77,429.43
  4. Step 4: Simplify right side
    141,089.34x = 15,076,058,221.36
  5. Step 5: Solve for x
    x = 15,076,058,221.36/141,089.34
  6. Step 6: Final answer
    x = 106,854.69

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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.