Home / 213,508.51-294,647.70-118,021.35

Finding the Fourth Proportional to 213,508.51, 294,647.70 and 118,021.35

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Solution

The fourth proportional to 213,508.51, 294,647.70 and 118,021.35 is: 162,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,508.51 : 294,647.70 = 118,021.35 : x
  2. Step 2: Convert to fraction form
    213,508.51/294,647.70 = 118,021.35/x
  3. Step 3: Cross multiply
    213,508.51x = 294,647.70 × 118,021.35
  4. Step 4: Simplify right side
    213,508.51x = 34,774,719,328.40
  5. Step 5: Solve for x
    x = 34,774,719,328.40/213,508.51
  6. Step 6: Final answer
    x = 162,872.76

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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.