Home / 142,529.39-213,733.94-42,703.77

Finding the Fourth Proportional to 142,529.39, 213,733.94 and 42,703.77

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Solution

The fourth proportional to 142,529.39, 213,733.94 and 42,703.77 is: 64,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,529.39 : 213,733.94 = 42,703.77 : x
  2. Step 2: Convert to fraction form
    142,529.39/213,733.94 = 42,703.77/x
  3. Step 3: Cross multiply
    142,529.39x = 213,733.94 × 42,703.77
  4. Step 4: Simplify right side
    142,529.39x = 9,127,244,801.43
  5. Step 5: Solve for x
    x = 9,127,244,801.43/142,529.39
  6. Step 6: Final answer
    x = 64,037.64

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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.