Home / 112,631.56-155,431.74-62,330.56

Finding the Fourth Proportional to 112,631.56, 155,431.74 and 62,330.56

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Solution

The fourth proportional to 112,631.56, 155,431.74 and 62,330.56 is: 86,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,631.56 : 155,431.74 = 62,330.56 : x
  2. Step 2: Convert to fraction form
    112,631.56/155,431.74 = 62,330.56/x
  3. Step 3: Cross multiply
    112,631.56x = 155,431.74 × 62,330.56
  4. Step 4: Simplify right side
    112,631.56x = 9,688,147,395.97
  5. Step 5: Solve for x
    x = 9,688,147,395.97/112,631.56
  6. Step 6: Final answer
    x = 86,016.28

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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.