Home / 133,056.13-183,617.46-90,688.67

Finding the Fourth Proportional to 133,056.13, 183,617.46 and 90,688.67

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Solution

The fourth proportional to 133,056.13, 183,617.46 and 90,688.67 is: 125,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056.13 : 183,617.46 = 90,688.67 : x
  2. Step 2: Convert to fraction form
    133,056.13/183,617.46 = 90,688.67/x
  3. Step 3: Cross multiply
    133,056.13x = 183,617.46 × 90,688.67
  4. Step 4: Simplify right side
    133,056.13x = 16,652,023,236.18
  5. Step 5: Solve for x
    x = 16,652,023,236.18/133,056.13
  6. Step 6: Final answer
    x = 125,150.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.