Home / 109,506.24-151,109.55-61,771.32

Finding the Fourth Proportional to 109,506.24, 151,109.55 and 61,771.32

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Solution

The fourth proportional to 109,506.24, 151,109.55 and 61,771.32 is: 85,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,506.24 : 151,109.55 = 61,771.32 : x
  2. Step 2: Convert to fraction form
    109,506.24/151,109.55 = 61,771.32/x
  3. Step 3: Cross multiply
    109,506.24x = 151,109.55 × 61,771.32
  4. Step 4: Simplify right side
    109,506.24x = 9,334,236,368.11
  5. Step 5: Solve for x
    x = 9,334,236,368.11/109,506.24
  6. Step 6: Final answer
    x = 85,239.31

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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.