Home / 148,297.35-204,649.23-80,312.74

Finding the Fourth Proportional to 148,297.35, 204,649.23 and 80,312.74

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Solution

The fourth proportional to 148,297.35, 204,649.23 and 80,312.74 is: 110,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,297.35 : 204,649.23 = 80,312.74 : x
  2. Step 2: Convert to fraction form
    148,297.35/204,649.23 = 80,312.74/x
  3. Step 3: Cross multiply
    148,297.35x = 204,649.23 × 80,312.74
  4. Step 4: Simplify right side
    148,297.35x = 16,435,940,400.19
  5. Step 5: Solve for x
    x = 16,435,940,400.19/148,297.35
  6. Step 6: Final answer
    x = 110,830.98

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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.