Home / 102,584.34-153,561.20-87,450.73

Finding the Fourth Proportional to 102,584.34, 153,561.20 and 87,450.73

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Solution

The fourth proportional to 102,584.34, 153,561.20 and 87,450.73 is: 130,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,584.34 : 153,561.20 = 87,450.73 : x
  2. Step 2: Convert to fraction form
    102,584.34/153,561.20 = 87,450.73/x
  3. Step 3: Cross multiply
    102,584.34x = 153,561.20 × 87,450.73
  4. Step 4: Simplify right side
    102,584.34x = 13,429,038,218.52
  5. Step 5: Solve for x
    x = 13,429,038,218.52/102,584.34
  6. Step 6: Final answer
    x = 130,907.29

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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.