Home / 91,193.58-136,838.52-64,710.70

Finding the Fourth Proportional to 91,193.58, 136,838.52 and 64,710.70

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Solution

The fourth proportional to 91,193.58, 136,838.52 and 64,710.70 is: 97,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,193.58 : 136,838.52 = 64,710.70 : x
  2. Step 2: Convert to fraction form
    91,193.58/136,838.52 = 64,710.70/x
  3. Step 3: Cross multiply
    91,193.58x = 136,838.52 × 64,710.70
  4. Step 4: Simplify right side
    91,193.58x = 8,854,916,074.07
  5. Step 5: Solve for x
    x = 8,854,916,074.07/91,193.58
  6. Step 6: Final answer
    x = 97,100.21

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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.