Home / 134,771.50-186,044.46-87,048.12

Finding the Fourth Proportional to 134,771.50, 186,044.46 and 87,048.12

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Solution

The fourth proportional to 134,771.50, 186,044.46 and 87,048.12 is: 120,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,771.50 : 186,044.46 = 87,048.12 : x
  2. Step 2: Convert to fraction form
    134,771.50/186,044.46 = 87,048.12/x
  3. Step 3: Cross multiply
    134,771.50x = 186,044.46 × 87,048.12
  4. Step 4: Simplify right side
    134,771.50x = 16,194,820,479.42
  5. Step 5: Solve for x
    x = 16,194,820,479.42/134,771.50
  6. Step 6: Final answer
    x = 120,165.02

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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.