Home / 210,114.24-289,971.36-119,478.64

Finding the Fourth Proportional to 210,114.24, 289,971.36 and 119,478.64

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Solution

The fourth proportional to 210,114.24, 289,971.36 and 119,478.64 is: 164,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,114.24 : 289,971.36 = 119,478.64 : x
  2. Step 2: Convert to fraction form
    210,114.24/289,971.36 = 119,478.64/x
  3. Step 3: Cross multiply
    210,114.24x = 289,971.36 × 119,478.64
  4. Step 4: Simplify right side
    210,114.24x = 34,645,383,731.75
  5. Step 5: Solve for x
    x = 34,645,383,731.75/210,114.24
  6. Step 6: Final answer
    x = 164,888.32

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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.