Home / 162,320.10-243,314.55-109,734.90

Finding the Fourth Proportional to 162,320.10, 243,314.55 and 109,734.90

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Solution

The fourth proportional to 162,320.10, 243,314.55 and 109,734.90 is: 164,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,320.10 : 243,314.55 = 109,734.90 : x
  2. Step 2: Convert to fraction form
    162,320.10/243,314.55 = 109,734.90/x
  3. Step 3: Cross multiply
    162,320.10x = 243,314.55 × 109,734.90
  4. Step 4: Simplify right side
    162,320.10x = 26,700,097,812.80
  5. Step 5: Solve for x
    x = 26,700,097,812.80/162,320.10
  6. Step 6: Final answer
    x = 164,490.40

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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.