Home / 152,123.24-209,933.70-84,144.80

Finding the Fourth Proportional to 152,123.24, 209,933.70 and 84,144.80

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Solution

The fourth proportional to 152,123.24, 209,933.70 and 84,144.80 is: 116,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,123.24 : 209,933.70 = 84,144.80 : x
  2. Step 2: Convert to fraction form
    152,123.24/209,933.70 = 84,144.80/x
  3. Step 3: Cross multiply
    152,123.24x = 209,933.70 × 84,144.80
  4. Step 4: Simplify right side
    152,123.24x = 17,664,829,199.76
  5. Step 5: Solve for x
    x = 17,664,829,199.76/152,123.24
  6. Step 6: Final answer
    x = 116,121.83

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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.