Home / 190,742.28-263,219.04-104,701.20

Finding the Fourth Proportional to 190,742.28, 263,219.04 and 104,701.20

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Solution

The fourth proportional to 190,742.28, 263,219.04 and 104,701.20 is: 144,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,742.28 : 263,219.04 = 104,701.20 : x
  2. Step 2: Convert to fraction form
    190,742.28/263,219.04 = 104,701.20/x
  3. Step 3: Cross multiply
    190,742.28x = 263,219.04 × 104,701.20
  4. Step 4: Simplify right side
    190,742.28x = 27,559,349,350.85
  5. Step 5: Solve for x
    x = 27,559,349,350.85/190,742.28
  6. Step 6: Final answer
    x = 144,484.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.