Home / 147,242.60-203,189.25-89,977.67

Finding the Fourth Proportional to 147,242.60, 203,189.25 and 89,977.67

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Solution

The fourth proportional to 147,242.60, 203,189.25 and 89,977.67 is: 124,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,242.60 : 203,189.25 = 89,977.67 : x
  2. Step 2: Convert to fraction form
    147,242.60/203,189.25 = 89,977.67/x
  3. Step 3: Cross multiply
    147,242.60x = 203,189.25 × 89,977.67
  4. Step 4: Simplify right side
    147,242.60x = 18,282,495,284.05
  5. Step 5: Solve for x
    x = 18,282,495,284.05/147,242.60
  6. Step 6: Final answer
    x = 124,165.80

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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.