Home / 121,750.37-182,666.57-76,719.44

Finding the Fourth Proportional to 121,750.37, 182,666.57 and 76,719.44

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Solution

The fourth proportional to 121,750.37, 182,666.57 and 76,719.44 is: 115,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,750.37 : 182,666.57 = 76,719.44 : x
  2. Step 2: Convert to fraction form
    121,750.37/182,666.57 = 76,719.44/x
  3. Step 3: Cross multiply
    121,750.37x = 182,666.57 × 76,719.44
  4. Step 4: Simplify right side
    121,750.37x = 14,014,076,957.12
  5. Step 5: Solve for x
    x = 14,014,076,957.12/121,750.37
  6. Step 6: Final answer
    x = 115,105.01

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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.