Home / 149,738.70-224,608.05-127,188.30

Finding the Fourth Proportional to 149,738.70, 224,608.05 and 127,188.30

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Solution

The fourth proportional to 149,738.70, 224,608.05 and 127,188.30 is: 190,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,738.70 : 224,608.05 = 127,188.30 : x
  2. Step 2: Convert to fraction form
    149,738.70/224,608.05 = 127,188.30/x
  3. Step 3: Cross multiply
    149,738.70x = 224,608.05 × 127,188.30
  4. Step 4: Simplify right side
    149,738.70x = 28,567,516,045.82
  5. Step 5: Solve for x
    x = 28,567,516,045.82/149,738.70
  6. Step 6: Final answer
    x = 190,782.45

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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.