Home / 239,303.10-358,885.53-81,528.06

Finding the Fourth Proportional to 239,303.10, 358,885.53 and 81,528.06

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Solution

The fourth proportional to 239,303.10, 358,885.53 and 81,528.06 is: 122,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,303.10 : 358,885.53 = 81,528.06 : x
  2. Step 2: Convert to fraction form
    239,303.10/358,885.53 = 81,528.06/x
  3. Step 3: Cross multiply
    239,303.10x = 358,885.53 × 81,528.06
  4. Step 4: Simplify right side
    239,303.10x = 29,259,241,022.97
  5. Step 5: Solve for x
    x = 29,259,241,022.97/239,303.10
  6. Step 6: Final answer
    x = 122,268.54

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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.