Home / 212,246.16-318,301.83-70,065.06

Finding the Fourth Proportional to 212,246.16, 318,301.83 and 70,065.06

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Solution

The fourth proportional to 212,246.16, 318,301.83 and 70,065.06 is: 105,075.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,246.16 : 318,301.83 = 70,065.06 : x
  2. Step 2: Convert to fraction form
    212,246.16/318,301.83 = 70,065.06/x
  3. Step 3: Cross multiply
    212,246.16x = 318,301.83 × 70,065.06
  4. Step 4: Simplify right side
    212,246.16x = 22,301,836,817.06
  5. Step 5: Solve for x
    x = 22,301,836,817.06/212,246.16
  6. Step 6: Final answer
    x = 105,075.34

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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.