Home / 152,405.07-228,457-72,302.41

Finding the Fourth Proportional to 152,405.07, 228,457 and 72,302.41

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Solution

The fourth proportional to 152,405.07, 228,457 and 72,302.41 is: 108,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,405.07 : 228,457 = 72,302.41 : x
  2. Step 2: Convert to fraction form
    152,405.07/228,457 = 72,302.41/x
  3. Step 3: Cross multiply
    152,405.07x = 228,457 × 72,302.41
  4. Step 4: Simplify right side
    152,405.07x = 16,517,991,681.37
  5. Step 5: Solve for x
    x = 16,517,991,681.37/152,405.07
  6. Step 6: Final answer
    x = 108,382.17

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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.