Home / 210,086.40-315,145.44-60,325.56

Finding the Fourth Proportional to 210,086.40, 315,145.44 and 60,325.56

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Solution

The fourth proportional to 210,086.40, 315,145.44 and 60,325.56 is: 90,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,086.40 : 315,145.44 = 60,325.56 : x
  2. Step 2: Convert to fraction form
    210,086.40/315,145.44 = 60,325.56/x
  3. Step 3: Cross multiply
    210,086.40x = 315,145.44 × 60,325.56
  4. Step 4: Simplify right side
    210,086.40x = 19,011,325,149.45
  5. Step 5: Solve for x
    x = 19,011,325,149.45/210,086.40
  6. Step 6: Final answer
    x = 90,492.89

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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.