Home / 147,434.96-203,345.16-102,130.04

Finding the Fourth Proportional to 147,434.96, 203,345.16 and 102,130.04

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Solution

The fourth proportional to 147,434.96, 203,345.16 and 102,130.04 is: 140,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434.96 : 203,345.16 = 102,130.04 : x
  2. Step 2: Convert to fraction form
    147,434.96/203,345.16 = 102,130.04/x
  3. Step 3: Cross multiply
    147,434.96x = 203,345.16 × 102,130.04
  4. Step 4: Simplify right side
    147,434.96x = 20,767,649,324.61
  5. Step 5: Solve for x
    x = 20,767,649,324.61/147,434.96
  6. Step 6: Final answer
    x = 140,859.73

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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.