Home / 140,168.33-210,345.36-77,032.55

Finding the Fourth Proportional to 140,168.33, 210,345.36 and 77,032.55

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Solution

The fourth proportional to 140,168.33, 210,345.36 and 77,032.55 is: 115,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,168.33 : 210,345.36 = 77,032.55 : x
  2. Step 2: Convert to fraction form
    140,168.33/210,345.36 = 77,032.55/x
  3. Step 3: Cross multiply
    140,168.33x = 210,345.36 × 77,032.55
  4. Step 4: Simplify right side
    140,168.33x = 16,203,438,024.58
  5. Step 5: Solve for x
    x = 16,203,438,024.58/140,168.33
  6. Step 6: Final answer
    x = 115,599.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.