Home / 190,394.46-285,594.12-72,034.02

Finding the Fourth Proportional to 190,394.46, 285,594.12 and 72,034.02

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Solution

The fourth proportional to 190,394.46, 285,594.12 and 72,034.02 is: 108,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,394.46 : 285,594.12 = 72,034.02 : x
  2. Step 2: Convert to fraction form
    190,394.46/285,594.12 = 72,034.02/x
  3. Step 3: Cross multiply
    190,394.46x = 285,594.12 × 72,034.02
  4. Step 4: Simplify right side
    190,394.46x = 20,572,492,551.96
  5. Step 5: Solve for x
    x = 20,572,492,551.96/190,394.46
  6. Step 6: Final answer
    x = 108,051.95

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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.