Home / 213,079.32-319,394.27-70,886.50

Finding the Fourth Proportional to 213,079.32, 319,394.27 and 70,886.50

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Solution

The fourth proportional to 213,079.32, 319,394.27 and 70,886.50 is: 106,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,079.32 : 319,394.27 = 70,886.50 : x
  2. Step 2: Convert to fraction form
    213,079.32/319,394.27 = 70,886.50/x
  3. Step 3: Cross multiply
    213,079.32x = 319,394.27 × 70,886.50
  4. Step 4: Simplify right side
    213,079.32x = 22,640,742,197.38
  5. Step 5: Solve for x
    x = 22,640,742,197.38/213,079.32
  6. Step 6: Final answer
    x = 106,255.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.