Home / 60,150.90-90,225.32-20,707.14

Finding the Fourth Proportional to 60,150.90, 90,225.32 and 20,707.14

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Solution

The fourth proportional to 60,150.90, 90,225.32 and 20,707.14 is: 31,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,150.90 : 90,225.32 = 20,707.14 : x
  2. Step 2: Convert to fraction form
    60,150.90/90,225.32 = 20,707.14/x
  3. Step 3: Cross multiply
    60,150.90x = 90,225.32 × 20,707.14
  4. Step 4: Simplify right side
    60,150.90x = 1,868,308,229.25
  5. Step 5: Solve for x
    x = 1,868,308,229.25/60,150.90
  6. Step 6: Final answer
    x = 31,060.35

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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.