Home / 134,348.70-185,427.72-77,026.53

Finding the Fourth Proportional to 134,348.70, 185,427.72 and 77,026.53

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Solution

The fourth proportional to 134,348.70, 185,427.72 and 77,026.53 is: 106,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,348.70 : 185,427.72 = 77,026.53 : x
  2. Step 2: Convert to fraction form
    134,348.70/185,427.72 = 77,026.53/x
  3. Step 3: Cross multiply
    134,348.70x = 185,427.72 × 77,026.53
  4. Step 4: Simplify right side
    134,348.70x = 14,282,853,837.41
  5. Step 5: Solve for x
    x = 14,282,853,837.41/134,348.70
  6. Step 6: Final answer
    x = 106,311.81

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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.