Home / 140,302.72-210,454.08-35,121.69

Finding the Fourth Proportional to 140,302.72, 210,454.08 and 35,121.69

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Solution

The fourth proportional to 140,302.72, 210,454.08 and 35,121.69 is: 52,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,302.72 : 210,454.08 = 35,121.69 : x
  2. Step 2: Convert to fraction form
    140,302.72/210,454.08 = 35,121.69/x
  3. Step 3: Cross multiply
    140,302.72x = 210,454.08 × 35,121.69
  4. Step 4: Simplify right side
    140,302.72x = 7,391,502,957.00
  5. Step 5: Solve for x
    x = 7,391,502,957.00/140,302.72
  6. Step 6: Final answer
    x = 52,682.54

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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.