Home / 102,021.70-152,902.63-57,673.12

Finding the Fourth Proportional to 102,021.70, 152,902.63 and 57,673.12

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Solution

The fourth proportional to 102,021.70, 152,902.63 and 57,673.12 is: 86,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,021.70 : 152,902.63 = 57,673.12 : x
  2. Step 2: Convert to fraction form
    102,021.70/152,902.63 = 57,673.12/x
  3. Step 3: Cross multiply
    102,021.70x = 152,902.63 × 57,673.12
  4. Step 4: Simplify right side
    102,021.70x = 8,818,371,728.31
  5. Step 5: Solve for x
    x = 8,818,371,728.31/102,021.70
  6. Step 6: Final answer
    x = 86,436.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.