Home / 105,625.16-158,455.36-39,065.44

Finding the Fourth Proportional to 105,625.16, 158,455.36 and 39,065.44

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Solution

The fourth proportional to 105,625.16, 158,455.36 and 39,065.44 is: 58,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,625.16 : 158,455.36 = 39,065.44 : x
  2. Step 2: Convert to fraction form
    105,625.16/158,455.36 = 39,065.44/x
  3. Step 3: Cross multiply
    105,625.16x = 158,455.36 × 39,065.44
  4. Step 4: Simplify right side
    105,625.16x = 6,190,128,358.76
  5. Step 5: Solve for x
    x = 6,190,128,358.76/105,625.16
  6. Step 6: Final answer
    x = 58,604.68

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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.