Home / 211,017.36-316,573.44-70,772.40

Finding the Fourth Proportional to 211,017.36, 316,573.44 and 70,772.40

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Solution

The fourth proportional to 211,017.36, 316,573.44 and 70,772.40 is: 106,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,017.36 : 316,573.44 = 70,772.40 : x
  2. Step 2: Convert to fraction form
    211,017.36/316,573.44 = 70,772.40/x
  3. Step 3: Cross multiply
    211,017.36x = 316,573.44 × 70,772.40
  4. Step 4: Simplify right side
    211,017.36x = 22,404,662,125.06
  5. Step 5: Solve for x
    x = 22,404,662,125.06/211,017.36
  6. Step 6: Final answer
    x = 106,174.50

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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.