Home / 211,028.04-316,541.98-70,786.20

Finding the Fourth Proportional to 211,028.04, 316,541.98 and 70,786.20

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Solution

The fourth proportional to 211,028.04, 316,541.98 and 70,786.20 is: 106,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,028.04 : 316,541.98 = 70,786.20 : x
  2. Step 2: Convert to fraction form
    211,028.04/316,541.98 = 70,786.20/x
  3. Step 3: Cross multiply
    211,028.04x = 316,541.98 × 70,786.20
  4. Step 4: Simplify right side
    211,028.04x = 22,406,803,904.68
  5. Step 5: Solve for x
    x = 22,406,803,904.68/211,028.04
  6. Step 6: Final answer
    x = 106,179.27

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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.