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Finding the Fourth Proportional to 141,465.64, 212,193.42 and 36,285.64

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Solution

The fourth proportional to 141,465.64, 212,193.42 and 36,285.64 is: 54,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,465.64 : 212,193.42 = 36,285.64 : x
  2. Step 2: Convert to fraction form
    141,465.64/212,193.42 = 36,285.64/x
  3. Step 3: Cross multiply
    141,465.64x = 212,193.42 × 36,285.64
  4. Step 4: Simplify right side
    141,465.64x = 7,699,574,048.49
  5. Step 5: Solve for x
    x = 7,699,574,048.49/141,465.64
  6. Step 6: Final answer
    x = 54,427.17

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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.