Home / 98,610.48-136,049.22-56,138.94

Finding the Fourth Proportional to 98,610.48, 136,049.22 and 56,138.94

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Solution

The fourth proportional to 98,610.48, 136,049.22 and 56,138.94 is: 77,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610.48 : 136,049.22 = 56,138.94 : x
  2. Step 2: Convert to fraction form
    98,610.48/136,049.22 = 56,138.94/x
  3. Step 3: Cross multiply
    98,610.48x = 136,049.22 × 56,138.94
  4. Step 4: Simplify right side
    98,610.48x = 7,637,658,998.63
  5. Step 5: Solve for x
    x = 7,637,658,998.63/98,610.48
  6. Step 6: Final answer
    x = 77,452.81

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1.5x scale

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.