Home / 140,286.80-210,430.20-93,047.60

Finding the Fourth Proportional to 140,286.80, 210,430.20 and 93,047.60

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Solution

The fourth proportional to 140,286.80, 210,430.20 and 93,047.60 is: 139,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.80 : 210,430.20 = 93,047.60 : x
  2. Step 2: Convert to fraction form
    140,286.80/210,430.20 = 93,047.60/x
  3. Step 3: Cross multiply
    140,286.80x = 210,430.20 × 93,047.60
  4. Step 4: Simplify right side
    140,286.80x = 19,580,025,077.52
  5. Step 5: Solve for x
    x = 19,580,025,077.52/140,286.80
  6. Step 6: Final answer
    x = 139,571.40

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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.