Home / 122,160.32-183,123.84-39,000.32

Finding the Fourth Proportional to 122,160.32, 183,123.84 and 39,000.32

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Solution

The fourth proportional to 122,160.32, 183,123.84 and 39,000.32 is: 58,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,160.32 : 183,123.84 = 39,000.32 : x
  2. Step 2: Convert to fraction form
    122,160.32/183,123.84 = 39,000.32/x
  3. Step 3: Cross multiply
    122,160.32x = 183,123.84 × 39,000.32
  4. Step 4: Simplify right side
    122,160.32x = 7,141,888,359.63
  5. Step 5: Solve for x
    x = 7,141,888,359.63/122,160.32
  6. Step 6: Final answer
    x = 58,463.24

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1.5x scale

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.