Home / 250,186.02-345,171.15-142,678.86

Finding the Fourth Proportional to 250,186.02, 345,171.15 and 142,678.86

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Solution

The fourth proportional to 250,186.02, 345,171.15 and 142,678.86 is: 196,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,186.02 : 345,171.15 = 142,678.86 : x
  2. Step 2: Convert to fraction form
    250,186.02/345,171.15 = 142,678.86/x
  3. Step 3: Cross multiply
    250,186.02x = 345,171.15 × 142,678.86
  4. Step 4: Simplify right side
    250,186.02x = 49,248,626,186.89
  5. Step 5: Solve for x
    x = 49,248,626,186.89/250,186.02
  6. Step 6: Final answer
    x = 196,848.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.