Home / 89,210.24-133,813.80-21,742.88

Finding the Fourth Proportional to 89,210.24, 133,813.80 and 21,742.88

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Solution

The fourth proportional to 89,210.24, 133,813.80 and 21,742.88 is: 32,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,210.24 : 133,813.80 = 21,742.88 : x
  2. Step 2: Convert to fraction form
    89,210.24/133,813.80 = 21,742.88/x
  3. Step 3: Cross multiply
    89,210.24x = 133,813.80 × 21,742.88
  4. Step 4: Simplify right side
    89,210.24x = 2,909,497,395.74
  5. Step 5: Solve for x
    x = 2,909,497,395.74/89,210.24
  6. Step 6: Final answer
    x = 32,613.94

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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.