Home / 104,404.41-144,076.53-61,388.76

Finding the Fourth Proportional to 104,404.41, 144,076.53 and 61,388.76

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Solution

The fourth proportional to 104,404.41, 144,076.53 and 61,388.76 is: 84,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,404.41 : 144,076.53 = 61,388.76 : x
  2. Step 2: Convert to fraction form
    104,404.41/144,076.53 = 61,388.76/x
  3. Step 3: Cross multiply
    104,404.41x = 144,076.53 × 61,388.76
  4. Step 4: Simplify right side
    104,404.41x = 8,844,679,521.80
  5. Step 5: Solve for x
    x = 8,844,679,521.80/104,404.41
  6. Step 6: Final answer
    x = 84,715.57

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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.