Home / 89,155.74-133,602.38-39,190.08

Finding the Fourth Proportional to 89,155.74, 133,602.38 and 39,190.08

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Solution

The fourth proportional to 89,155.74, 133,602.38 and 39,190.08 is: 58,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,155.74 : 133,602.38 = 39,190.08 : x
  2. Step 2: Convert to fraction form
    89,155.74/133,602.38 = 39,190.08/x
  3. Step 3: Cross multiply
    89,155.74x = 133,602.38 × 39,190.08
  4. Step 4: Simplify right side
    89,155.74x = 5,235,887,960.39
  5. Step 5: Solve for x
    x = 5,235,887,960.39/89,155.74
  6. Step 6: Final answer
    x = 58,727.44

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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.