Home / 148,586.10-204,998.95-84,878.79

Finding the Fourth Proportional to 148,586.10, 204,998.95 and 84,878.79

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Solution

The fourth proportional to 148,586.10, 204,998.95 and 84,878.79 is: 117,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,586.10 : 204,998.95 = 84,878.79 : x
  2. Step 2: Convert to fraction form
    148,586.10/204,998.95 = 84,878.79/x
  3. Step 3: Cross multiply
    148,586.10x = 204,998.95 × 84,878.79
  4. Step 4: Simplify right side
    148,586.10x = 17,400,062,827.27
  5. Step 5: Solve for x
    x = 17,400,062,827.27/148,586.10
  6. Step 6: Final answer
    x = 117,104.24

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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.