Home / 70,154.36-105,230.76-20,232.83

Finding the Fourth Proportional to 70,154.36, 105,230.76 and 20,232.83

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Solution

The fourth proportional to 70,154.36, 105,230.76 and 20,232.83 is: 30,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,154.36 : 105,230.76 = 20,232.83 : x
  2. Step 2: Convert to fraction form
    70,154.36/105,230.76 = 20,232.83/x
  3. Step 3: Cross multiply
    70,154.36x = 105,230.76 × 20,232.83
  4. Step 4: Simplify right side
    70,154.36x = 2,129,116,077.85
  5. Step 5: Solve for x
    x = 2,129,116,077.85/70,154.36
  6. Step 6: Final answer
    x = 30,349.02

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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.