Home / 213,871.63-295,174.02-123,210.15

Finding the Fourth Proportional to 213,871.63, 295,174.02 and 123,210.15

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Solution

The fourth proportional to 213,871.63, 295,174.02 and 123,210.15 is: 170,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,871.63 : 295,174.02 = 123,210.15 : x
  2. Step 2: Convert to fraction form
    213,871.63/295,174.02 = 123,210.15/x
  3. Step 3: Cross multiply
    213,871.63x = 295,174.02 × 123,210.15
  4. Step 4: Simplify right side
    213,871.63x = 36,368,435,280.30
  5. Step 5: Solve for x
    x = 36,368,435,280.30/213,871.63
  6. Step 6: Final answer
    x = 170,047.96

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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.