Home / 149,349.80-223,878.90-133,603.40

Finding the Fourth Proportional to 149,349.80, 223,878.90 and 133,603.40

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Solution

The fourth proportional to 149,349.80, 223,878.90 and 133,603.40 is: 200,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,349.80 : 223,878.90 = 133,603.40 : x
  2. Step 2: Convert to fraction form
    149,349.80/223,878.90 = 133,603.40/x
  3. Step 3: Cross multiply
    149,349.80x = 223,878.90 × 133,603.40
  4. Step 4: Simplify right side
    149,349.80x = 29,910,982,228.26
  5. Step 5: Solve for x
    x = 29,910,982,228.26/149,349.80
  6. Step 6: Final answer
    x = 200,274.67

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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.