Home / 143,225.04-214,968.84-76,740.24

Finding the Fourth Proportional to 143,225.04, 214,968.84 and 76,740.24

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Solution

The fourth proportional to 143,225.04, 214,968.84 and 76,740.24 is: 115,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.04 : 214,968.84 = 76,740.24 : x
  2. Step 2: Convert to fraction form
    143,225.04/214,968.84 = 76,740.24/x
  3. Step 3: Cross multiply
    143,225.04x = 214,968.84 × 76,740.24
  4. Step 4: Simplify right side
    143,225.04x = 16,496,760,374.12
  5. Step 5: Solve for x
    x = 16,496,760,374.12/143,225.04
  6. Step 6: Final answer
    x = 115,180.70

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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.