Home / 109,630.34-151,290.33-61,884.26

Finding the Fourth Proportional to 109,630.34, 151,290.33 and 61,884.26

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Solution

The fourth proportional to 109,630.34, 151,290.33 and 61,884.26 is: 85,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,630.34 : 151,290.33 = 61,884.26 : x
  2. Step 2: Convert to fraction form
    109,630.34/151,290.33 = 61,884.26/x
  3. Step 3: Cross multiply
    109,630.34x = 151,290.33 × 61,884.26
  4. Step 4: Simplify right side
    109,630.34x = 9,362,490,117.21
  5. Step 5: Solve for x
    x = 9,362,490,117.21/109,630.34
  6. Step 6: Final answer
    x = 85,400.54

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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.