Home / 211,242.24-291,539.52-130,723.20

Finding the Fourth Proportional to 211,242.24, 291,539.52 and 130,723.20

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Solution

The fourth proportional to 211,242.24, 291,539.52 and 130,723.20 is: 180,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,242.24 : 291,539.52 = 130,723.20 : x
  2. Step 2: Convert to fraction form
    211,242.24/291,539.52 = 130,723.20/x
  3. Step 3: Cross multiply
    211,242.24x = 291,539.52 × 130,723.20
  4. Step 4: Simplify right side
    211,242.24x = 38,110,978,980.86
  5. Step 5: Solve for x
    x = 38,110,978,980.86/211,242.24
  6. Step 6: Final answer
    x = 180,413.63

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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.