Home / 175,807.66-242,554.89-99,315.58

Finding the Fourth Proportional to 175,807.66, 242,554.89 and 99,315.58

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Solution

The fourth proportional to 175,807.66, 242,554.89 and 99,315.58 is: 137,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,807.66 : 242,554.89 = 99,315.58 : x
  2. Step 2: Convert to fraction form
    175,807.66/242,554.89 = 99,315.58/x
  3. Step 3: Cross multiply
    175,807.66x = 242,554.89 × 99,315.58
  4. Step 4: Simplify right side
    175,807.66x = 24,089,479,582.19
  5. Step 5: Solve for x
    x = 24,089,479,582.19/175,807.66
  6. Step 6: Final answer
    x = 137,021.79

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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.