Home / 140,002.40-210,003.60-73,416.80

Finding the Fourth Proportional to 140,002.40, 210,003.60 and 73,416.80

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Solution

The fourth proportional to 140,002.40, 210,003.60 and 73,416.80 is: 110,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,002.40 : 210,003.60 = 73,416.80 : x
  2. Step 2: Convert to fraction form
    140,002.40/210,003.60 = 73,416.80/x
  3. Step 3: Cross multiply
    140,002.40x = 210,003.60 × 73,416.80
  4. Step 4: Simplify right side
    140,002.40x = 15,417,792,300.48
  5. Step 5: Solve for x
    x = 15,417,792,300.48/140,002.40
  6. Step 6: Final answer
    x = 110,125.20

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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.