Home / 140,580.30-210,637.16-98,939.82

Finding the Fourth Proportional to 140,580.30, 210,637.16 and 98,939.82

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Solution

The fourth proportional to 140,580.30, 210,637.16 and 98,939.82 is: 148,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,580.30 : 210,637.16 = 98,939.82 : x
  2. Step 2: Convert to fraction form
    140,580.30/210,637.16 = 98,939.82/x
  3. Step 3: Cross multiply
    140,580.30x = 210,637.16 × 98,939.82
  4. Step 4: Simplify right side
    140,580.30x = 20,840,402,695.71
  5. Step 5: Solve for x
    x = 20,840,402,695.71/140,580.30
  6. Step 6: Final answer
    x = 148,245.54

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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.