Home / 213,516.20-294,639.69-118,017.20

Finding the Fourth Proportional to 213,516.20, 294,639.69 and 118,017.20

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Solution

The fourth proportional to 213,516.20, 294,639.69 and 118,017.20 is: 162,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,516.20 : 294,639.69 = 118,017.20 : x
  2. Step 2: Convert to fraction form
    213,516.20/294,639.69 = 118,017.20/x
  3. Step 3: Cross multiply
    213,516.20x = 294,639.69 × 118,017.20
  4. Step 4: Simplify right side
    213,516.20x = 34,772,551,222.67
  5. Step 5: Solve for x
    x = 34,772,551,222.67/213,516.20
  6. Step 6: Final answer
    x = 162,856.74

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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.