Home / 102,018.96-153,050.10-31,903.56

Finding the Fourth Proportional to 102,018.96, 153,050.10 and 31,903.56

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Solution

The fourth proportional to 102,018.96, 153,050.10 and 31,903.56 is: 47,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,018.96 : 153,050.10 = 31,903.56 : x
  2. Step 2: Convert to fraction form
    102,018.96/153,050.10 = 31,903.56/x
  3. Step 3: Cross multiply
    102,018.96x = 153,050.10 × 31,903.56
  4. Step 4: Simplify right side
    102,018.96x = 4,882,843,048.36
  5. Step 5: Solve for x
    x = 4,882,843,048.36/102,018.96
  6. Step 6: Final answer
    x = 47,862.11

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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.