Home / 143,380.95-215,060.63-57,997.23

Finding the Fourth Proportional to 143,380.95, 215,060.63 and 57,997.23

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Solution

The fourth proportional to 143,380.95, 215,060.63 and 57,997.23 is: 86,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,380.95 : 215,060.63 = 57,997.23 : x
  2. Step 2: Convert to fraction form
    143,380.95/215,060.63 = 57,997.23/x
  3. Step 3: Cross multiply
    143,380.95x = 215,060.63 × 57,997.23
  4. Step 4: Simplify right side
    143,380.95x = 12,472,920,532.07
  5. Step 5: Solve for x
    x = 12,472,920,532.07/143,380.95
  6. Step 6: Final answer
    x = 86,991.48

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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.