Home / 89,869.96-134,804.30-70,165

Finding the Fourth Proportional to 89,869.96, 134,804.30 and 70,165

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Solution

The fourth proportional to 89,869.96, 134,804.30 and 70,165 is: 105,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,869.96 : 134,804.30 = 70,165 : x
  2. Step 2: Convert to fraction form
    89,869.96/134,804.30 = 70,165/x
  3. Step 3: Cross multiply
    89,869.96x = 134,804.30 × 70,165
  4. Step 4: Simplify right side
    89,869.96x = 9,458,543,709.50
  5. Step 5: Solve for x
    x = 9,458,543,709.50/89,869.96
  6. Step 6: Final answer
    x = 105,247.00

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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.