Home / 138,009.20-207,094.13-58,041.35

Finding the Fourth Proportional to 138,009.20, 207,094.13 and 58,041.35

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Solution

The fourth proportional to 138,009.20, 207,094.13 and 58,041.35 is: 87,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,009.20 : 207,094.13 = 58,041.35 : x
  2. Step 2: Convert to fraction form
    138,009.20/207,094.13 = 58,041.35/x
  3. Step 3: Cross multiply
    138,009.20x = 207,094.13 × 58,041.35
  4. Step 4: Simplify right side
    138,009.20x = 12,020,021,556.60
  5. Step 5: Solve for x
    x = 12,020,021,556.60/138,009.20
  6. Step 6: Final answer
    x = 87,095.80

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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.