Home / 134,118.80-201,221.40-89,795.60

Finding the Fourth Proportional to 134,118.80, 201,221.40 and 89,795.60

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Solution

The fourth proportional to 134,118.80, 201,221.40 and 89,795.60 is: 134,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,118.80 : 201,221.40 = 89,795.60 : x
  2. Step 2: Convert to fraction form
    134,118.80/201,221.40 = 89,795.60/x
  3. Step 3: Cross multiply
    134,118.80x = 201,221.40 × 89,795.60
  4. Step 4: Simplify right side
    134,118.80x = 18,068,796,345.84
  5. Step 5: Solve for x
    x = 18,068,796,345.84/134,118.80
  6. Step 6: Final answer
    x = 134,722.32

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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.