Home / 158,089.02-218,161.26-86,470.44

Finding the Fourth Proportional to 158,089.02, 218,161.26 and 86,470.44

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Solution

The fourth proportional to 158,089.02, 218,161.26 and 86,470.44 is: 119,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,089.02 : 218,161.26 = 86,470.44 : x
  2. Step 2: Convert to fraction form
    158,089.02/218,161.26 = 86,470.44/x
  3. Step 3: Cross multiply
    158,089.02x = 218,161.26 × 86,470.44
  4. Step 4: Simplify right side
    158,089.02x = 18,864,500,143.15
  5. Step 5: Solve for x
    x = 18,864,500,143.15/158,089.02
  6. Step 6: Final answer
    x = 119,328.34

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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.