Home / 213,423.99-294,521.02-117,928.63

Finding the Fourth Proportional to 213,423.99, 294,521.02 and 117,928.63

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Solution

The fourth proportional to 213,423.99, 294,521.02 and 117,928.63 is: 162,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,423.99 : 294,521.02 = 117,928.63 : x
  2. Step 2: Convert to fraction form
    213,423.99/294,521.02 = 117,928.63/x
  3. Step 3: Cross multiply
    213,423.99x = 294,521.02 × 117,928.63
  4. Step 4: Simplify right side
    213,423.99x = 34,732,460,394.80
  5. Step 5: Solve for x
    x = 34,732,460,394.80/213,423.99
  6. Step 6: Final answer
    x = 162,739.25

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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.