Home / 157,247.11-235,673.77-123,835.22

Finding the Fourth Proportional to 157,247.11, 235,673.77 and 123,835.22

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Solution

The fourth proportional to 157,247.11, 235,673.77 and 123,835.22 is: 185,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,247.11 : 235,673.77 = 123,835.22 : x
  2. Step 2: Convert to fraction form
    157,247.11/235,673.77 = 123,835.22/x
  3. Step 3: Cross multiply
    157,247.11x = 235,673.77 × 123,835.22
  4. Step 4: Simplify right side
    157,247.11x = 29,184,712,257.41
  5. Step 5: Solve for x
    x = 29,184,712,257.41/157,247.11
  6. Step 6: Final answer
    x = 185,597.77

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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.