Home / 149,948.40-224,778.60-86,703.60

Finding the Fourth Proportional to 149,948.40, 224,778.60 and 86,703.60

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Solution

The fourth proportional to 149,948.40, 224,778.60 and 86,703.60 is: 129,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,948.40 : 224,778.60 = 86,703.60 : x
  2. Step 2: Convert to fraction form
    149,948.40/224,778.60 = 86,703.60/x
  3. Step 3: Cross multiply
    149,948.40x = 224,778.60 × 86,703.60
  4. Step 4: Simplify right side
    149,948.40x = 19,489,113,822.96
  5. Step 5: Solve for x
    x = 19,489,113,822.96/149,948.40
  6. Step 6: Final answer
    x = 129,972.14

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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.