Home / 102,550.29-153,824.75-55,187.67

Finding the Fourth Proportional to 102,550.29, 153,824.75 and 55,187.67

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Solution

The fourth proportional to 102,550.29, 153,824.75 and 55,187.67 is: 82,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,550.29 : 153,824.75 = 55,187.67 : x
  2. Step 2: Convert to fraction form
    102,550.29/153,824.75 = 55,187.67/x
  3. Step 3: Cross multiply
    102,550.29x = 153,824.75 × 55,187.67
  4. Step 4: Simplify right side
    102,550.29x = 8,489,228,495.77
  5. Step 5: Solve for x
    x = 8,489,228,495.77/102,550.29
  6. Step 6: Final answer
    x = 82,781.13

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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.