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Finding the Fourth Proportional to 107,360.40, 161,040.60 and 97,683.60

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Solution

The fourth proportional to 107,360.40, 161,040.60 and 97,683.60 is: 146,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,360.40 : 161,040.60 = 97,683.60 : x
  2. Step 2: Convert to fraction form
    107,360.40/161,040.60 = 97,683.60/x
  3. Step 3: Cross multiply
    107,360.40x = 161,040.60 × 97,683.60
  4. Step 4: Simplify right side
    107,360.40x = 15,731,025,554.16
  5. Step 5: Solve for x
    x = 15,731,025,554.16/107,360.40
  6. Step 6: Final answer
    x = 146,525.40

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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.