Home / 102,443.46-153,659.65-39,293.84

Finding the Fourth Proportional to 102,443.46, 153,659.65 and 39,293.84

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Solution

The fourth proportional to 102,443.46, 153,659.65 and 39,293.84 is: 58,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,443.46 : 153,659.65 = 39,293.84 : x
  2. Step 2: Convert to fraction form
    102,443.46/153,659.65 = 39,293.84/x
  3. Step 3: Cross multiply
    102,443.46x = 153,659.65 × 39,293.84
  4. Step 4: Simplify right side
    102,443.46x = 6,037,877,701.56
  5. Step 5: Solve for x
    x = 6,037,877,701.56/102,443.46
  6. Step 6: Final answer
    x = 58,938.64

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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.