Home / 149,706.40-224,231.55-133,085.20

Finding the Fourth Proportional to 149,706.40, 224,231.55 and 133,085.20

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Solution

The fourth proportional to 149,706.40, 224,231.55 and 133,085.20 is: 199,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,706.40 : 224,231.55 = 133,085.20 : x
  2. Step 2: Convert to fraction form
    149,706.40/224,231.55 = 133,085.20/x
  3. Step 3: Cross multiply
    149,706.40x = 224,231.55 × 133,085.20
  4. Step 4: Simplify right side
    149,706.40x = 29,841,900,678.06
  5. Step 5: Solve for x
    x = 29,841,900,678.06/149,706.40
  6. Step 6: Final answer
    x = 199,336.17

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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.