Home / 162,020.81-243,038.52-49,692.86

Finding the Fourth Proportional to 162,020.81, 243,038.52 and 49,692.86

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Solution

The fourth proportional to 162,020.81, 243,038.52 and 49,692.86 is: 74,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,020.81 : 243,038.52 = 49,692.86 : x
  2. Step 2: Convert to fraction form
    162,020.81/243,038.52 = 49,692.86/x
  3. Step 3: Cross multiply
    162,020.81x = 243,038.52 × 49,692.86
  4. Step 4: Simplify right side
    162,020.81x = 12,077,279,148.97
  5. Step 5: Solve for x
    x = 12,077,279,148.97/162,020.81
  6. Step 6: Final answer
    x = 74,541.53

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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.