Home / 98,846.34-136,408.13-55,238.89

Finding the Fourth Proportional to 98,846.34, 136,408.13 and 55,238.89

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Solution

The fourth proportional to 98,846.34, 136,408.13 and 55,238.89 is: 76,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,846.34 : 136,408.13 = 55,238.89 : x
  2. Step 2: Convert to fraction form
    98,846.34/136,408.13 = 55,238.89/x
  3. Step 3: Cross multiply
    98,846.34x = 136,408.13 × 55,238.89
  4. Step 4: Simplify right side
    98,846.34x = 7,535,033,688.18
  5. Step 5: Solve for x
    x = 7,535,033,688.18/98,846.34
  6. Step 6: Final answer
    x = 76,229.77

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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.