Home / 96,084.78-144,068.02-66,135.36

Finding the Fourth Proportional to 96,084.78, 144,068.02 and 66,135.36

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Solution

The fourth proportional to 96,084.78, 144,068.02 and 66,135.36 is: 99,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,084.78 : 144,068.02 = 66,135.36 : x
  2. Step 2: Convert to fraction form
    96,084.78/144,068.02 = 66,135.36/x
  3. Step 3: Cross multiply
    96,084.78x = 144,068.02 × 66,135.36
  4. Step 4: Simplify right side
    96,084.78x = 9,527,990,036.51
  5. Step 5: Solve for x
    x = 9,527,990,036.51/96,084.78
  6. Step 6: Final answer
    x = 99,162.33

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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.