Home / 106,541.40-160,200.90-89,434.20

Finding the Fourth Proportional to 106,541.40, 160,200.90 and 89,434.20

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Solution

The fourth proportional to 106,541.40, 160,200.90 and 89,434.20 is: 134,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,541.40 : 160,200.90 = 89,434.20 : x
  2. Step 2: Convert to fraction form
    106,541.40/160,200.90 = 89,434.20/x
  3. Step 3: Cross multiply
    106,541.40x = 160,200.90 × 89,434.20
  4. Step 4: Simplify right side
    106,541.40x = 14,327,439,330.78
  5. Step 5: Solve for x
    x = 14,327,439,330.78/106,541.40
  6. Step 6: Final answer
    x = 134,477.67

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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.