Home / 179,939.97-248,315.57-99,368.15

Finding the Fourth Proportional to 179,939.97, 248,315.57 and 99,368.15

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Solution

The fourth proportional to 179,939.97, 248,315.57 and 99,368.15 is: 137,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,939.97 : 248,315.57 = 99,368.15 : x
  2. Step 2: Convert to fraction form
    179,939.97/248,315.57 = 99,368.15/x
  3. Step 3: Cross multiply
    179,939.97x = 248,315.57 × 99,368.15
  4. Step 4: Simplify right side
    179,939.97x = 24,674,657,068.68
  5. Step 5: Solve for x
    x = 24,674,657,068.68/179,939.97
  6. Step 6: Final answer
    x = 137,127.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.