Home / 143,130.15-214,695.23-90,598.95

Finding the Fourth Proportional to 143,130.15, 214,695.23 and 90,598.95

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Solution

The fourth proportional to 143,130.15, 214,695.23 and 90,598.95 is: 135,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,130.15 : 214,695.23 = 90,598.95 : x
  2. Step 2: Convert to fraction form
    143,130.15/214,695.23 = 90,598.95/x
  3. Step 3: Cross multiply
    143,130.15x = 214,695.23 × 90,598.95
  4. Step 4: Simplify right side
    143,130.15x = 19,451,161,955.01
  5. Step 5: Solve for x
    x = 19,451,161,955.01/143,130.15
  6. Step 6: Final answer
    x = 135,898.43

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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.