Home / 155,219.40-232,829.10-140,457.15

Finding the Fourth Proportional to 155,219.40, 232,829.10 and 140,457.15

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Solution

The fourth proportional to 155,219.40, 232,829.10 and 140,457.15 is: 210,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,219.40 : 232,829.10 = 140,457.15 : x
  2. Step 2: Convert to fraction form
    155,219.40/232,829.10 = 140,457.15/x
  3. Step 3: Cross multiply
    155,219.40x = 232,829.10 × 140,457.15
  4. Step 4: Simplify right side
    155,219.40x = 32,702,511,823.07
  5. Step 5: Solve for x
    x = 32,702,511,823.07/155,219.40
  6. Step 6: Final answer
    x = 210,685.73

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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.