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Finding the Fourth Proportional to 162,130.60, 242,807.10 and 131,026.60

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Solution

The fourth proportional to 162,130.60, 242,807.10 and 131,026.60 is: 196,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,130.60 : 242,807.10 = 131,026.60 : x
  2. Step 2: Convert to fraction form
    162,130.60/242,807.10 = 131,026.60/x
  3. Step 3: Cross multiply
    162,130.60x = 242,807.10 × 131,026.60
  4. Step 4: Simplify right side
    162,130.60x = 31,814,188,768.86
  5. Step 5: Solve for x
    x = 31,814,188,768.86/162,130.60
  6. Step 6: Final answer
    x = 196,225.69

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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.