Home / 160,014.80-240,169.68-81,184.16

Finding the Fourth Proportional to 160,014.80, 240,169.68 and 81,184.16

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Solution

The fourth proportional to 160,014.80, 240,169.68 and 81,184.16 is: 121,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,014.80 : 240,169.68 = 81,184.16 : x
  2. Step 2: Convert to fraction form
    160,014.80/240,169.68 = 81,184.16/x
  3. Step 3: Cross multiply
    160,014.80x = 240,169.68 × 81,184.16
  4. Step 4: Simplify right side
    160,014.80x = 19,497,973,728.27
  5. Step 5: Solve for x
    x = 19,497,973,728.27/160,014.80
  6. Step 6: Final answer
    x = 121,851.06

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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.