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Finding the Fourth Proportional to 162,005.30, 242,679.90 and 91,802.60

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Solution

The fourth proportional to 162,005.30, 242,679.90 and 91,802.60 is: 137,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,005.30 : 242,679.90 = 91,802.60 : x
  2. Step 2: Convert to fraction form
    162,005.30/242,679.90 = 91,802.60/x
  3. Step 3: Cross multiply
    162,005.30x = 242,679.90 × 91,802.60
  4. Step 4: Simplify right side
    162,005.30x = 22,278,645,787.74
  5. Step 5: Solve for x
    x = 22,278,645,787.74/162,005.30
  6. Step 6: Final answer
    x = 137,518.01

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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.