Home / 148,520.40-204,969.02-84,856.84

Finding the Fourth Proportional to 148,520.40, 204,969.02 and 84,856.84

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Solution

The fourth proportional to 148,520.40, 204,969.02 and 84,856.84 is: 117,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,520.40 : 204,969.02 = 84,856.84 : x
  2. Step 2: Convert to fraction form
    148,520.40/204,969.02 = 84,856.84/x
  3. Step 3: Cross multiply
    148,520.40x = 204,969.02 × 84,856.84
  4. Step 4: Simplify right side
    148,520.40x = 17,393,023,335.10
  5. Step 5: Solve for x
    x = 17,393,023,335.10/148,520.40
  6. Step 6: Final answer
    x = 117,108.65

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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.