Home / 144,123.07-215,238.40-122,836.27

Finding the Fourth Proportional to 144,123.07, 215,238.40 and 122,836.27

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Solution

The fourth proportional to 144,123.07, 215,238.40 and 122,836.27 is: 183,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,123.07 : 215,238.40 = 122,836.27 : x
  2. Step 2: Convert to fraction form
    144,123.07/215,238.40 = 122,836.27/x
  3. Step 3: Cross multiply
    144,123.07x = 215,238.40 × 122,836.27
  4. Step 4: Simplify right side
    144,123.07x = 26,439,081,832.22
  5. Step 5: Solve for x
    x = 26,439,081,832.22/144,123.07
  6. Step 6: Final answer
    x = 183,447.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.