Home / 157,071.48-235,517.67-107,211.93

Finding the Fourth Proportional to 157,071.48, 235,517.67 and 107,211.93

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Solution

The fourth proportional to 157,071.48, 235,517.67 and 107,211.93 is: 160,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,071.48 : 235,517.67 = 107,211.93 : x
  2. Step 2: Convert to fraction form
    157,071.48/235,517.67 = 107,211.93/x
  3. Step 3: Cross multiply
    157,071.48x = 235,517.67 × 107,211.93
  4. Step 4: Simplify right side
    157,071.48x = 25,250,303,949.80
  5. Step 5: Solve for x
    x = 25,250,303,949.80/157,071.48
  6. Step 6: Final answer
    x = 160,756.77

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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.