Home / 131,503.54-181,423.89-83,748.34

Finding the Fourth Proportional to 131,503.54, 181,423.89 and 83,748.34

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Solution

The fourth proportional to 131,503.54, 181,423.89 and 83,748.34 is: 115,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,503.54 : 181,423.89 = 83,748.34 : x
  2. Step 2: Convert to fraction form
    131,503.54/181,423.89 = 83,748.34/x
  3. Step 3: Cross multiply
    131,503.54x = 181,423.89 × 83,748.34
  4. Step 4: Simplify right side
    131,503.54x = 15,193,949,623.84
  5. Step 5: Solve for x
    x = 15,193,949,623.84/131,503.54
  6. Step 6: Final answer
    x = 115,540.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.