Home / 213,088.40-319,632.60-124,296.20

Finding the Fourth Proportional to 213,088.40, 319,632.60 and 124,296.20

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Solution

The fourth proportional to 213,088.40, 319,632.60 and 124,296.20 is: 186,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,088.40 : 319,632.60 = 124,296.20 : x
  2. Step 2: Convert to fraction form
    213,088.40/319,632.60 = 124,296.20/x
  3. Step 3: Cross multiply
    213,088.40x = 319,632.60 × 124,296.20
  4. Step 4: Simplify right side
    213,088.40x = 39,729,117,576.12
  5. Step 5: Solve for x
    x = 39,729,117,576.12/213,088.40
  6. Step 6: Final answer
    x = 186,444.30

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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.