Home / 136,148.58-204,264.48-69,635.40

Finding the Fourth Proportional to 136,148.58, 204,264.48 and 69,635.40

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Solution

The fourth proportional to 136,148.58, 204,264.48 and 69,635.40 is: 104,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,148.58 : 204,264.48 = 69,635.40 : x
  2. Step 2: Convert to fraction form
    136,148.58/204,264.48 = 69,635.40/x
  3. Step 3: Cross multiply
    136,148.58x = 204,264.48 × 69,635.40
  4. Step 4: Simplify right side
    136,148.58x = 14,224,038,770.59
  5. Step 5: Solve for x
    x = 14,224,038,770.59/136,148.58
  6. Step 6: Final answer
    x = 104,474.38

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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.