Home / 175,516.80-262,929.60-105,187.20

Finding the Fourth Proportional to 175,516.80, 262,929.60 and 105,187.20

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Solution

The fourth proportional to 175,516.80, 262,929.60 and 105,187.20 is: 157,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,516.80 : 262,929.60 = 105,187.20 : x
  2. Step 2: Convert to fraction form
    175,516.80/262,929.60 = 105,187.20/x
  3. Step 3: Cross multiply
    175,516.80x = 262,929.60 × 105,187.20
  4. Step 4: Simplify right side
    175,516.80x = 27,656,828,421.12
  5. Step 5: Solve for x
    x = 27,656,828,421.12/175,516.80
  6. Step 6: Final answer
    x = 157,573.68

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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.