Home / 201,485.18-278,040.76-110,835.39

Finding the Fourth Proportional to 201,485.18, 278,040.76 and 110,835.39

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Solution

The fourth proportional to 201,485.18, 278,040.76 and 110,835.39 is: 152,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485.18 : 278,040.76 = 110,835.39 : x
  2. Step 2: Convert to fraction form
    201,485.18/278,040.76 = 110,835.39/x
  3. Step 3: Cross multiply
    201,485.18x = 278,040.76 × 110,835.39
  4. Step 4: Simplify right side
    201,485.18x = 30,816,756,070.50
  5. Step 5: Solve for x
    x = 30,816,756,070.50/201,485.18
  6. Step 6: Final answer
    x = 152,948.00

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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.