Home / 210,150.54-289,995.86-119,528.55

Finding the Fourth Proportional to 210,150.54, 289,995.86 and 119,528.55

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Solution

The fourth proportional to 210,150.54, 289,995.86 and 119,528.55 is: 164,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,150.54 : 289,995.86 = 119,528.55 : x
  2. Step 2: Convert to fraction form
    210,150.54/289,995.86 = 119,528.55/x
  3. Step 3: Cross multiply
    210,150.54x = 289,995.86 × 119,528.55
  4. Step 4: Simplify right side
    210,150.54x = 34,662,784,651.80
  5. Step 5: Solve for x
    x = 34,662,784,651.80/210,150.54
  6. Step 6: Final answer
    x = 164,942.64

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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.