Home / 133,125.42-183,705.95-77,951.51

Finding the Fourth Proportional to 133,125.42, 183,705.95 and 77,951.51

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Solution

The fourth proportional to 133,125.42, 183,705.95 and 77,951.51 is: 107,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,125.42 : 183,705.95 = 77,951.51 : x
  2. Step 2: Convert to fraction form
    133,125.42/183,705.95 = 77,951.51/x
  3. Step 3: Cross multiply
    133,125.42x = 183,705.95 × 77,951.51
  4. Step 4: Simplify right side
    133,125.42x = 14,320,156,977.84
  5. Step 5: Solve for x
    x = 14,320,156,977.84/133,125.42
  6. Step 6: Final answer
    x = 107,568.91

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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.