Home / 190,350.26-285,528.62-72,077.30

Finding the Fourth Proportional to 190,350.26, 285,528.62 and 72,077.30

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Solution

The fourth proportional to 190,350.26, 285,528.62 and 72,077.30 is: 108,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,350.26 : 285,528.62 = 72,077.30 : x
  2. Step 2: Convert to fraction form
    190,350.26/285,528.62 = 72,077.30/x
  3. Step 3: Cross multiply
    190,350.26x = 285,528.62 × 72,077.30
  4. Step 4: Simplify right side
    190,350.26x = 20,580,130,214.30
  5. Step 5: Solve for x
    x = 20,580,130,214.30/190,350.26
  6. Step 6: Final answer
    x = 108,117.17

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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.