Home / 209,393.24-314,193.65-83,030.78

Finding the Fourth Proportional to 209,393.24, 314,193.65 and 83,030.78

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Solution

The fourth proportional to 209,393.24, 314,193.65 and 83,030.78 is: 124,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,393.24 : 314,193.65 = 83,030.78 : x
  2. Step 2: Convert to fraction form
    209,393.24/314,193.65 = 83,030.78/x
  3. Step 3: Cross multiply
    209,393.24x = 314,193.65 × 83,030.78
  4. Step 4: Simplify right side
    209,393.24x = 26,087,741,844.42
  5. Step 5: Solve for x
    x = 26,087,741,844.42/209,393.24
  6. Step 6: Final answer
    x = 124,587.32

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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.