Home / 149,918.40-224,733.60-86,673.60

Finding the Fourth Proportional to 149,918.40, 224,733.60 and 86,673.60

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Solution

The fourth proportional to 149,918.40, 224,733.60 and 86,673.60 is: 129,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,918.40 : 224,733.60 = 86,673.60 : x
  2. Step 2: Convert to fraction form
    149,918.40/224,733.60 = 86,673.60/x
  3. Step 3: Cross multiply
    149,918.40x = 224,733.60 × 86,673.60
  4. Step 4: Simplify right side
    149,918.40x = 19,478,470,152.96
  5. Step 5: Solve for x
    x = 19,478,470,152.96/149,918.40
  6. Step 6: Final answer
    x = 129,927.15

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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.