Home / 140,355.60-210,683.28-60,433.12

Finding the Fourth Proportional to 140,355.60, 210,683.28 and 60,433.12

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Solution

The fourth proportional to 140,355.60, 210,683.28 and 60,433.12 is: 90,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,355.60 : 210,683.28 = 60,433.12 : x
  2. Step 2: Convert to fraction form
    140,355.60/210,683.28 = 60,433.12/x
  3. Step 3: Cross multiply
    140,355.60x = 210,683.28 × 60,433.12
  4. Step 4: Simplify right side
    140,355.60x = 12,732,247,942.23
  5. Step 5: Solve for x
    x = 12,732,247,942.23/140,355.60
  6. Step 6: Final answer
    x = 90,714.21

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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.