Home / 120,093.06-180,142.76-52,590.36

Finding the Fourth Proportional to 120,093.06, 180,142.76 and 52,590.36

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Solution

The fourth proportional to 120,093.06, 180,142.76 and 52,590.36 is: 78,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,093.06 : 180,142.76 = 52,590.36 : x
  2. Step 2: Convert to fraction form
    120,093.06/180,142.76 = 52,590.36/x
  3. Step 3: Cross multiply
    120,093.06x = 180,142.76 × 52,590.36
  4. Step 4: Simplify right side
    120,093.06x = 9,473,772,599.79
  5. Step 5: Solve for x
    x = 9,473,772,599.79/120,093.06
  6. Step 6: Final answer
    x = 78,886.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.