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Finding the Fourth Proportional to 190,444.35, 285,669.35 and 72,083.91

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Solution

The fourth proportional to 190,444.35, 285,669.35 and 72,083.91 is: 108,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,444.35 : 285,669.35 = 72,083.91 : x
  2. Step 2: Convert to fraction form
    190,444.35/285,669.35 = 72,083.91/x
  3. Step 3: Cross multiply
    190,444.35x = 285,669.35 × 72,083.91
  4. Step 4: Simplify right side
    190,444.35x = 20,592,163,354.74
  5. Step 5: Solve for x
    x = 20,592,163,354.74/190,444.35
  6. Step 6: Final answer
    x = 108,126.93

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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.