Home / 106,639.76-160,057.16-54,085.52

Finding the Fourth Proportional to 106,639.76, 160,057.16 and 54,085.52

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Solution

The fourth proportional to 106,639.76, 160,057.16 and 54,085.52 is: 81,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,639.76 : 160,057.16 = 54,085.52 : x
  2. Step 2: Convert to fraction form
    106,639.76/160,057.16 = 54,085.52/x
  3. Step 3: Cross multiply
    106,639.76x = 160,057.16 × 54,085.52
  4. Step 4: Simplify right side
    106,639.76x = 8,656,774,728.32
  5. Step 5: Solve for x
    x = 8,656,774,728.32/106,639.76
  6. Step 6: Final answer
    x = 81,177.74

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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.