Home / 190,300.84-285,237.42-90,379.24

Finding the Fourth Proportional to 190,300.84, 285,237.42 and 90,379.24

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Solution

The fourth proportional to 190,300.84, 285,237.42 and 90,379.24 is: 135,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,300.84 : 285,237.42 = 90,379.24 : x
  2. Step 2: Convert to fraction form
    190,300.84/285,237.42 = 90,379.24/x
  3. Step 3: Cross multiply
    190,300.84x = 285,237.42 × 90,379.24
  4. Step 4: Simplify right side
    190,300.84x = 25,779,541,239.16
  5. Step 5: Solve for x
    x = 25,779,541,239.16/190,300.84
  6. Step 6: Final answer
    x = 135,467.30

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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.