Home / 90,956.56-124,610.93-87,547.53

Finding the Fourth Proportional to 90,956.56, 124,610.93 and 87,547.53

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Solution

The fourth proportional to 90,956.56, 124,610.93 and 87,547.53 is: 119,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,956.56 : 124,610.93 = 87,547.53 : x
  2. Step 2: Convert to fraction form
    90,956.56/124,610.93 = 87,547.53/x
  3. Step 3: Cross multiply
    90,956.56x = 124,610.93 × 87,547.53
  4. Step 4: Simplify right side
    90,956.56x = 10,909,379,351.37
  5. Step 5: Solve for x
    x = 10,909,379,351.37/90,956.56
  6. Step 6: Final answer
    x = 119,940.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.