Home / 89,865.96-134,798.30-70,161

Finding the Fourth Proportional to 89,865.96, 134,798.30 and 70,161

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Solution

The fourth proportional to 89,865.96, 134,798.30 and 70,161 is: 105,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,865.96 : 134,798.30 = 70,161 : x
  2. Step 2: Convert to fraction form
    89,865.96/134,798.30 = 70,161/x
  3. Step 3: Cross multiply
    89,865.96x = 134,798.30 × 70,161
  4. Step 4: Simplify right side
    89,865.96x = 9,457,583,526.30
  5. Step 5: Solve for x
    x = 9,457,583,526.30/89,865.96
  6. Step 6: Final answer
    x = 105,241.00

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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.