Home / 135,787.38-187,263.95-84,804.77

Finding the Fourth Proportional to 135,787.38, 187,263.95 and 84,804.77

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Solution

The fourth proportional to 135,787.38, 187,263.95 and 84,804.77 is: 116,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,787.38 : 187,263.95 = 84,804.77 : x
  2. Step 2: Convert to fraction form
    135,787.38/187,263.95 = 84,804.77/x
  3. Step 3: Cross multiply
    135,787.38x = 187,263.95 × 84,804.77
  4. Step 4: Simplify right side
    135,787.38x = 15,880,874,848.70
  5. Step 5: Solve for x
    x = 15,880,874,848.70/135,787.38
  6. Step 6: Final answer
    x = 116,953.98

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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.