Home / 134,402.40-185,464.44-77,817.36

Finding the Fourth Proportional to 134,402.40, 185,464.44 and 77,817.36

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Solution

The fourth proportional to 134,402.40, 185,464.44 and 77,817.36 is: 107,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,402.40 : 185,464.44 = 77,817.36 : x
  2. Step 2: Convert to fraction form
    134,402.40/185,464.44 = 77,817.36/x
  3. Step 3: Cross multiply
    134,402.40x = 185,464.44 × 77,817.36
  4. Step 4: Simplify right side
    134,402.40x = 14,432,353,094.68
  5. Step 5: Solve for x
    x = 14,432,353,094.68/134,402.40
  6. Step 6: Final answer
    x = 107,381.66

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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.