Home / 119,860.23-165,406.95-66,145.24

Finding the Fourth Proportional to 119,860.23, 165,406.95 and 66,145.24

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Solution

The fourth proportional to 119,860.23, 165,406.95 and 66,145.24 is: 91,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,860.23 : 165,406.95 = 66,145.24 : x
  2. Step 2: Convert to fraction form
    119,860.23/165,406.95 = 66,145.24/x
  3. Step 3: Cross multiply
    119,860.23x = 165,406.95 × 66,145.24
  4. Step 4: Simplify right side
    119,860.23x = 10,940,882,405.42
  5. Step 5: Solve for x
    x = 10,940,882,405.42/119,860.23
  6. Step 6: Final answer
    x = 91,280.34

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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.