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Finding the Fourth Proportional to 162,924.40, 244,386.60 and 106,937.20

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Solution

The fourth proportional to 162,924.40, 244,386.60 and 106,937.20 is: 160,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,924.40 : 244,386.60 = 106,937.20 : x
  2. Step 2: Convert to fraction form
    162,924.40/244,386.60 = 106,937.20/x
  3. Step 3: Cross multiply
    162,924.40x = 244,386.60 × 106,937.20
  4. Step 4: Simplify right side
    162,924.40x = 26,134,018,721.52
  5. Step 5: Solve for x
    x = 26,134,018,721.52/162,924.40
  6. Step 6: Final answer
    x = 160,405.80

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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.