Home / 134,600.88-185,749.23-78,045.06

Finding the Fourth Proportional to 134,600.88, 185,749.23 and 78,045.06

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Solution

The fourth proportional to 134,600.88, 185,749.23 and 78,045.06 is: 107,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,600.88 : 185,749.23 = 78,045.06 : x
  2. Step 2: Convert to fraction form
    134,600.88/185,749.23 = 78,045.06/x
  3. Step 3: Cross multiply
    134,600.88x = 185,749.23 × 78,045.06
  4. Step 4: Simplify right side
    134,600.88x = 14,496,809,800.30
  5. Step 5: Solve for x
    x = 14,496,809,800.30/134,600.88
  6. Step 6: Final answer
    x = 107,702.19

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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.