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Finding the Fourth Proportional to 162,007.60, 243,011.40 and 103,104.40

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Solution

The fourth proportional to 162,007.60, 243,011.40 and 103,104.40 is: 154,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,007.60 : 243,011.40 = 103,104.40 : x
  2. Step 2: Convert to fraction form
    162,007.60/243,011.40 = 103,104.40/x
  3. Step 3: Cross multiply
    162,007.60x = 243,011.40 × 103,104.40
  4. Step 4: Simplify right side
    162,007.60x = 25,055,544,590.16
  5. Step 5: Solve for x
    x = 25,055,544,590.16/162,007.60
  6. Step 6: Final answer
    x = 154,656.60

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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.