Home / 103,624.12-143,006.53-61,181.74

Finding the Fourth Proportional to 103,624.12, 143,006.53 and 61,181.74

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Solution

The fourth proportional to 103,624.12, 143,006.53 and 61,181.74 is: 84,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.12 : 143,006.53 = 61,181.74 : x
  2. Step 2: Convert to fraction form
    103,624.12/143,006.53 = 61,181.74/x
  3. Step 3: Cross multiply
    103,624.12x = 143,006.53 × 61,181.74
  4. Step 4: Simplify right side
    103,624.12x = 8,749,387,621.73
  5. Step 5: Solve for x
    x = 8,749,387,621.73/103,624.12
  6. Step 6: Final answer
    x = 84,433.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.