Home / 162,290.72-243,038.60-134,037.92

Finding the Fourth Proportional to 162,290.72, 243,038.60 and 134,037.92

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Solution

The fourth proportional to 162,290.72, 243,038.60 and 134,037.92 is: 200,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,290.72 : 243,038.60 = 134,037.92 : x
  2. Step 2: Convert to fraction form
    162,290.72/243,038.60 = 134,037.92/x
  3. Step 3: Cross multiply
    162,290.72x = 243,038.60 × 134,037.92
  4. Step 4: Simplify right side
    162,290.72x = 32,576,388,423.71
  5. Step 5: Solve for x
    x = 32,576,388,423.71/162,290.72
  6. Step 6: Final answer
    x = 200,728.60

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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.