Home / 213,661.40-294,847.70-118,166.04

Finding the Fourth Proportional to 213,661.40, 294,847.70 and 118,166.04

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Solution

The fourth proportional to 213,661.40, 294,847.70 and 118,166.04 is: 163,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,661.40 : 294,847.70 = 118,166.04 : x
  2. Step 2: Convert to fraction form
    213,661.40/294,847.70 = 118,166.04/x
  3. Step 3: Cross multiply
    213,661.40x = 294,847.70 × 118,166.04
  4. Step 4: Simplify right side
    213,661.40x = 34,840,984,521.28
  5. Step 5: Solve for x
    x = 34,840,984,521.28/213,661.40
  6. Step 6: Final answer
    x = 163,066.35

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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.