Home / 143,518.02-215,323.17-43,697.55

Finding the Fourth Proportional to 143,518.02, 215,323.17 and 43,697.55

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Solution

The fourth proportional to 143,518.02, 215,323.17 and 43,697.55 is: 65,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,518.02 : 215,323.17 = 43,697.55 : x
  2. Step 2: Convert to fraction form
    143,518.02/215,323.17 = 43,697.55/x
  3. Step 3: Cross multiply
    143,518.02x = 215,323.17 × 43,697.55
  4. Step 4: Simplify right side
    143,518.02x = 9,409,094,987.23
  5. Step 5: Solve for x
    x = 9,409,094,987.23/143,518.02
  6. Step 6: Final answer
    x = 65,560.37

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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.