Home / 157,749.53-235,416.98-140,920.56

Finding the Fourth Proportional to 157,749.53, 235,416.98 and 140,920.56

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Solution

The fourth proportional to 157,749.53, 235,416.98 and 140,920.56 is: 210,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,749.53 : 235,416.98 = 140,920.56 : x
  2. Step 2: Convert to fraction form
    157,749.53/235,416.98 = 140,920.56/x
  3. Step 3: Cross multiply
    157,749.53x = 235,416.98 × 140,920.56
  4. Step 4: Simplify right side
    157,749.53x = 33,175,093,007.41
  5. Step 5: Solve for x
    x = 33,175,093,007.41/157,749.53
  6. Step 6: Final answer
    x = 210,302.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.