Home / 190,050.96-285,070.56-90,282.96

Finding the Fourth Proportional to 190,050.96, 285,070.56 and 90,282.96

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Solution

The fourth proportional to 190,050.96, 285,070.56 and 90,282.96 is: 135,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,050.96 : 285,070.56 = 90,282.96 : x
  2. Step 2: Convert to fraction form
    190,050.96/285,070.56 = 90,282.96/x
  3. Step 3: Cross multiply
    190,050.96x = 285,070.56 × 90,282.96
  4. Step 4: Simplify right side
    190,050.96x = 25,737,013,965.66
  5. Step 5: Solve for x
    x = 25,737,013,965.66/190,050.96
  6. Step 6: Final answer
    x = 135,421.65

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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.