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Finding the Fourth Proportional to 162,347.40, 243,521.10 and 106,360.20

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Solution

The fourth proportional to 162,347.40, 243,521.10 and 106,360.20 is: 159,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,347.40 : 243,521.10 = 106,360.20 : x
  2. Step 2: Convert to fraction form
    162,347.40/243,521.10 = 106,360.20/x
  3. Step 3: Cross multiply
    162,347.40x = 243,521.10 × 106,360.20
  4. Step 4: Simplify right side
    162,347.40x = 25,900,952,900.22
  5. Step 5: Solve for x
    x = 25,900,952,900.22/162,347.40
  6. Step 6: Final answer
    x = 159,540.30

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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.