Home / 154,650.36-213,520.36-118,776.28

Finding the Fourth Proportional to 154,650.36, 213,520.36 and 118,776.28

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Solution

The fourth proportional to 154,650.36, 213,520.36 and 118,776.28 is: 163,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,650.36 : 213,520.36 = 118,776.28 : x
  2. Step 2: Convert to fraction form
    154,650.36/213,520.36 = 118,776.28/x
  3. Step 3: Cross multiply
    154,650.36x = 213,520.36 × 118,776.28
  4. Step 4: Simplify right side
    154,650.36x = 25,361,154,065.06
  5. Step 5: Solve for x
    x = 25,361,154,065.06/154,650.36
  6. Step 6: Final answer
    x = 163,990.27

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1.5x scale

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.