Home / 109,560.08-151,180.08-61,810.58

Finding the Fourth Proportional to 109,560.08, 151,180.08 and 61,810.58

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Solution

The fourth proportional to 109,560.08, 151,180.08 and 61,810.58 is: 85,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,560.08 : 151,180.08 = 61,810.58 : x
  2. Step 2: Convert to fraction form
    109,560.08/151,180.08 = 61,810.58/x
  3. Step 3: Cross multiply
    109,560.08x = 151,180.08 × 61,810.58
  4. Step 4: Simplify right side
    109,560.08x = 9,344,528,429.25
  5. Step 5: Solve for x
    x = 9,344,528,429.25/109,560.08
  6. Step 6: Final answer
    x = 85,291.36

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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.