Home / 209,999.20-314,970.45-83,732.35

Finding the Fourth Proportional to 209,999.20, 314,970.45 and 83,732.35

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Solution

The fourth proportional to 209,999.20, 314,970.45 and 83,732.35 is: 125,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,999.20 : 314,970.45 = 83,732.35 : x
  2. Step 2: Convert to fraction form
    209,999.20/314,970.45 = 83,732.35/x
  3. Step 3: Cross multiply
    209,999.20x = 314,970.45 × 83,732.35
  4. Step 4: Simplify right side
    209,999.20x = 26,373,215,959.06
  5. Step 5: Solve for x
    x = 26,373,215,959.06/209,999.20
  6. Step 6: Final answer
    x = 125,587.22

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1.5x scale

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.