Home / 60,154.12-90,174.44-20,683.63

Finding the Fourth Proportional to 60,154.12, 90,174.44 and 20,683.63

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Solution

The fourth proportional to 60,154.12, 90,174.44 and 20,683.63 is: 31,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,154.12 : 90,174.44 = 20,683.63 : x
  2. Step 2: Convert to fraction form
    60,154.12/90,174.44 = 20,683.63/x
  3. Step 3: Cross multiply
    60,154.12x = 90,174.44 × 20,683.63
  4. Step 4: Simplify right side
    60,154.12x = 1,865,134,649.00
  5. Step 5: Solve for x
    x = 1,865,134,649.00/60,154.12
  6. Step 6: Final answer
    x = 31,005.93

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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.