Home / 148,521.42-204,970.40-84,857.85

Finding the Fourth Proportional to 148,521.42, 204,970.40 and 84,857.85

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Solution

The fourth proportional to 148,521.42, 204,970.40 and 84,857.85 is: 117,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,521.42 : 204,970.40 = 84,857.85 : x
  2. Step 2: Convert to fraction form
    148,521.42/204,970.40 = 84,857.85/x
  3. Step 3: Cross multiply
    148,521.42x = 204,970.40 × 84,857.85
  4. Step 4: Simplify right side
    148,521.42x = 17,393,347,457.64
  5. Step 5: Solve for x
    x = 17,393,347,457.64/148,521.42
  6. Step 6: Final answer
    x = 117,110.03

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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.