Home / 89,329.36-133,818.86-51,810.60

Finding the Fourth Proportional to 89,329.36, 133,818.86 and 51,810.60

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Solution

The fourth proportional to 89,329.36, 133,818.86 and 51,810.60 is: 77,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,329.36 : 133,818.86 = 51,810.60 : x
  2. Step 2: Convert to fraction form
    89,329.36/133,818.86 = 51,810.60/x
  3. Step 3: Cross multiply
    89,329.36x = 133,818.86 × 51,810.60
  4. Step 4: Simplify right side
    89,329.36x = 6,933,235,427.92
  5. Step 5: Solve for x
    x = 6,933,235,427.92/89,329.36
  6. Step 6: Final answer
    x = 77,614.30

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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.