Home / 148,312.67-204,672.12-80,330.45

Finding the Fourth Proportional to 148,312.67, 204,672.12 and 80,330.45

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Solution

The fourth proportional to 148,312.67, 204,672.12 and 80,330.45 is: 110,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,312.67 : 204,672.12 = 80,330.45 : x
  2. Step 2: Convert to fraction form
    148,312.67/204,672.12 = 80,330.45/x
  3. Step 3: Cross multiply
    148,312.67x = 204,672.12 × 80,330.45
  4. Step 4: Simplify right side
    148,312.67x = 16,441,403,502.05
  5. Step 5: Solve for x
    x = 16,441,403,502.05/148,312.67
  6. Step 6: Final answer
    x = 110,856.37

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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.