Home / 148,613.06-205,100.44-84,938.72

Finding the Fourth Proportional to 148,613.06, 205,100.44 and 84,938.72

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Solution

The fourth proportional to 148,613.06, 205,100.44 and 84,938.72 is: 117,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,613.06 : 205,100.44 = 84,938.72 : x
  2. Step 2: Convert to fraction form
    148,613.06/205,100.44 = 84,938.72/x
  3. Step 3: Cross multiply
    148,613.06x = 205,100.44 × 84,938.72
  4. Step 4: Simplify right side
    148,613.06x = 17,420,968,845.04
  5. Step 5: Solve for x
    x = 17,420,968,845.04/148,613.06
  6. Step 6: Final answer
    x = 117,223.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.