Home / 209,939.02-289,704.90-119,282.40

Finding the Fourth Proportional to 209,939.02, 289,704.90 and 119,282.40

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Solution

The fourth proportional to 209,939.02, 289,704.90 and 119,282.40 is: 164,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,939.02 : 289,704.90 = 119,282.40 : x
  2. Step 2: Convert to fraction form
    209,939.02/289,704.90 = 119,282.40/x
  3. Step 3: Cross multiply
    209,939.02x = 289,704.90 × 119,282.40
  4. Step 4: Simplify right side
    209,939.02x = 34,556,695,763.76
  5. Step 5: Solve for x
    x = 34,556,695,763.76/209,939.02
  6. Step 6: Final answer
    x = 164,603.49

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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.