Home / 147,403.40-221,105.09-36,595.40

Finding the Fourth Proportional to 147,403.40, 221,105.09 and 36,595.40

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Solution

The fourth proportional to 147,403.40, 221,105.09 and 36,595.40 is: 54,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403.40 : 221,105.09 = 36,595.40 : x
  2. Step 2: Convert to fraction form
    147,403.40/221,105.09 = 36,595.40/x
  3. Step 3: Cross multiply
    147,403.40x = 221,105.09 × 36,595.40
  4. Step 4: Simplify right side
    147,403.40x = 8,091,429,027.61
  5. Step 5: Solve for x
    x = 8,091,429,027.61/147,403.40
  6. Step 6: Final answer
    x = 54,893.10

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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.