Home / 92,678.21-139,018.05-60,684.25

Finding the Fourth Proportional to 92,678.21, 139,018.05 and 60,684.25

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Solution

The fourth proportional to 92,678.21, 139,018.05 and 60,684.25 is: 91,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,678.21 : 139,018.05 = 60,684.25 : x
  2. Step 2: Convert to fraction form
    92,678.21/139,018.05 = 60,684.25/x
  3. Step 3: Cross multiply
    92,678.21x = 139,018.05 × 60,684.25
  4. Step 4: Simplify right side
    92,678.21x = 8,436,205,452.16
  5. Step 5: Solve for x
    x = 8,436,205,452.16/92,678.21
  6. Step 6: Final answer
    x = 91,026.85

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1.5x scale

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.