Home / 105,727.55-158,588.28-39,166.20

Finding the Fourth Proportional to 105,727.55, 158,588.28 and 39,166.20

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Solution

The fourth proportional to 105,727.55, 158,588.28 and 39,166.20 is: 58,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,727.55 : 158,588.28 = 39,166.20 : x
  2. Step 2: Convert to fraction form
    105,727.55/158,588.28 = 39,166.20/x
  3. Step 3: Cross multiply
    105,727.55x = 158,588.28 × 39,166.20
  4. Step 4: Simplify right side
    105,727.55x = 6,211,300,292.14
  5. Step 5: Solve for x
    x = 6,211,300,292.14/105,727.55
  6. Step 6: Final answer
    x = 58,748.17

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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.