Home / 143,527.02-215,093.70-90,842.46

Finding the Fourth Proportional to 143,527.02, 215,093.70 and 90,842.46

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Solution

The fourth proportional to 143,527.02, 215,093.70 and 90,842.46 is: 136,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527.02 : 215,093.70 = 90,842.46 : x
  2. Step 2: Convert to fraction form
    143,527.02/215,093.70 = 90,842.46/x
  3. Step 3: Cross multiply
    143,527.02x = 215,093.70 × 90,842.46
  4. Step 4: Simplify right side
    143,527.02x = 19,539,640,838.50
  5. Step 5: Solve for x
    x = 19,539,640,838.50/143,527.02
  6. Step 6: Final answer
    x = 136,139.11

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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.