Home / 212,160.02-318,216.27-54,392.18

Finding the Fourth Proportional to 212,160.02, 318,216.27 and 54,392.18

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Solution

The fourth proportional to 212,160.02, 318,216.27 and 54,392.18 is: 81,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,160.02 : 318,216.27 = 54,392.18 : x
  2. Step 2: Convert to fraction form
    212,160.02/318,216.27 = 54,392.18/x
  3. Step 3: Cross multiply
    212,160.02x = 318,216.27 × 54,392.18
  4. Step 4: Simplify right side
    212,160.02x = 17,308,476,636.77
  5. Step 5: Solve for x
    x = 17,308,476,636.77/212,160.02
  6. Step 6: Final answer
    x = 81,582.18

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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.