Home / 152,418.71-228,706.54-72,547.25

Finding the Fourth Proportional to 152,418.71, 228,706.54 and 72,547.25

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Solution

The fourth proportional to 152,418.71, 228,706.54 and 72,547.25 is: 108,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,418.71 : 228,706.54 = 72,547.25 : x
  2. Step 2: Convert to fraction form
    152,418.71/228,706.54 = 72,547.25/x
  3. Step 3: Cross multiply
    152,418.71x = 228,706.54 × 72,547.25
  4. Step 4: Simplify right side
    152,418.71x = 16,592,029,209.11
  5. Step 5: Solve for x
    x = 16,592,029,209.11/152,418.71
  6. Step 6: Final answer
    x = 108,858.22

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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.