Home / 162,237.75-243,356.64-51,429.75

Finding the Fourth Proportional to 162,237.75, 243,356.64 and 51,429.75

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Solution

The fourth proportional to 162,237.75, 243,356.64 and 51,429.75 is: 77,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,237.75 : 243,356.64 = 51,429.75 : x
  2. Step 2: Convert to fraction form
    162,237.75/243,356.64 = 51,429.75/x
  3. Step 3: Cross multiply
    162,237.75x = 243,356.64 × 51,429.75
  4. Step 4: Simplify right side
    162,237.75x = 12,515,771,156.04
  5. Step 5: Solve for x
    x = 12,515,771,156.04/162,237.75
  6. Step 6: Final answer
    x = 77,144.63

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1.5x scale

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.