Home / 190,021.33-285,100.85-88,908.63

Finding the Fourth Proportional to 190,021.33, 285,100.85 and 88,908.63

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Solution

The fourth proportional to 190,021.33, 285,100.85 and 88,908.63 is: 133,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,021.33 : 285,100.85 = 88,908.63 : x
  2. Step 2: Convert to fraction form
    190,021.33/285,100.85 = 88,908.63/x
  3. Step 3: Cross multiply
    190,021.33x = 285,100.85 × 88,908.63
  4. Step 4: Simplify right side
    190,021.33x = 25,347,925,985.34
  5. Step 5: Solve for x
    x = 25,347,925,985.34/190,021.33
  6. Step 6: Final answer
    x = 133,395.16

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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.