Home / 128,567.10-192,522.60-102,323.10

Finding the Fourth Proportional to 128,567.10, 192,522.60 and 102,323.10

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Solution

The fourth proportional to 128,567.10, 192,522.60 and 102,323.10 is: 153,223.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,567.10 : 192,522.60 = 102,323.10 : x
  2. Step 2: Convert to fraction form
    128,567.10/192,522.60 = 102,323.10/x
  3. Step 3: Cross multiply
    128,567.10x = 192,522.60 × 102,323.10
  4. Step 4: Simplify right side
    128,567.10x = 19,699,509,252.06
  5. Step 5: Solve for x
    x = 19,699,509,252.06/128,567.10
  6. Step 6: Final answer
    x = 153,223.56

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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.