Home / 210,150.20-290,082.09-124,109.52

Finding the Fourth Proportional to 210,150.20, 290,082.09 and 124,109.52

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Solution

The fourth proportional to 210,150.20, 290,082.09 and 124,109.52 is: 171,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,150.20 : 290,082.09 = 124,109.52 : x
  2. Step 2: Convert to fraction form
    210,150.20/290,082.09 = 124,109.52/x
  3. Step 3: Cross multiply
    210,150.20x = 290,082.09 × 124,109.52
  4. Step 4: Simplify right side
    210,150.20x = 36,001,947,280.93
  5. Step 5: Solve for x
    x = 36,001,947,280.93/210,150.20
  6. Step 6: Final answer
    x = 171,315.32

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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.