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Finding the Fourth Proportional to 125,487.60, 188,153.64 and 58,942.32

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Solution

The fourth proportional to 125,487.60, 188,153.64 and 58,942.32 is: 88,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,487.60 : 188,153.64 = 58,942.32 : x
  2. Step 2: Convert to fraction form
    125,487.60/188,153.64 = 58,942.32/x
  3. Step 3: Cross multiply
    125,487.60x = 188,153.64 × 58,942.32
  4. Step 4: Simplify right side
    125,487.60x = 11,090,212,058.04
  5. Step 5: Solve for x
    x = 11,090,212,058.04/125,487.60
  6. Step 6: Final answer
    x = 88,376.96

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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.