Home / 133,166.93-183,770.16-72,737.58

Finding the Fourth Proportional to 133,166.93, 183,770.16 and 72,737.58

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Solution

The fourth proportional to 133,166.93, 183,770.16 and 72,737.58 is: 100,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,166.93 : 183,770.16 = 72,737.58 : x
  2. Step 2: Convert to fraction form
    133,166.93/183,770.16 = 72,737.58/x
  3. Step 3: Cross multiply
    133,166.93x = 183,770.16 × 72,737.58
  4. Step 4: Simplify right side
    133,166.93x = 13,366,995,432.07
  5. Step 5: Solve for x
    x = 13,366,995,432.07/133,166.93
  6. Step 6: Final answer
    x = 100,377.74

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1.5x scale

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.