Home / 142,522.36-213,845.56-89,336.23

Finding the Fourth Proportional to 142,522.36, 213,845.56 and 89,336.23

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Solution

The fourth proportional to 142,522.36, 213,845.56 and 89,336.23 is: 134,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,522.36 : 213,845.56 = 89,336.23 : x
  2. Step 2: Convert to fraction form
    142,522.36/213,845.56 = 89,336.23/x
  3. Step 3: Cross multiply
    142,522.36x = 213,845.56 × 89,336.23
  4. Step 4: Simplify right side
    142,522.36x = 19,104,156,132.64
  5. Step 5: Solve for x
    x = 19,104,156,132.64/142,522.36
  6. Step 6: Final answer
    x = 134,043.22

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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.