Home / 201,785.20-302,562.60-83,316.40

Finding the Fourth Proportional to 201,785.20, 302,562.60 and 83,316.40

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Solution

The fourth proportional to 201,785.20, 302,562.60 and 83,316.40 is: 124,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,785.20 : 302,562.60 = 83,316.40 : x
  2. Step 2: Convert to fraction form
    201,785.20/302,562.60 = 83,316.40/x
  3. Step 3: Cross multiply
    201,785.20x = 302,562.60 × 83,316.40
  4. Step 4: Simplify right side
    201,785.20x = 25,208,426,606.64
  5. Step 5: Solve for x
    x = 25,208,426,606.64/201,785.20
  6. Step 6: Final answer
    x = 124,927.03

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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.