Home / 213,614.95-294,790.53-118,128.10

Finding the Fourth Proportional to 213,614.95, 294,790.53 and 118,128.10

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Solution

The fourth proportional to 213,614.95, 294,790.53 and 118,128.10 is: 163,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,614.95 : 294,790.53 = 118,128.10 : x
  2. Step 2: Convert to fraction form
    213,614.95/294,790.53 = 118,128.10/x
  3. Step 3: Cross multiply
    213,614.95x = 294,790.53 × 118,128.10
  4. Step 4: Simplify right side
    213,614.95x = 34,823,045,206.89
  5. Step 5: Solve for x
    x = 34,823,045,206.89/213,614.95
  6. Step 6: Final answer
    x = 163,017.83

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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.