Home / 212,018.04-318,026.52-54,246.24

Finding the Fourth Proportional to 212,018.04, 318,026.52 and 54,246.24

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Solution

The fourth proportional to 212,018.04, 318,026.52 and 54,246.24 is: 81,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,018.04 : 318,026.52 = 54,246.24 : x
  2. Step 2: Convert to fraction form
    212,018.04/318,026.52 = 54,246.24/x
  3. Step 3: Cross multiply
    212,018.04x = 318,026.52 × 54,246.24
  4. Step 4: Simplify right side
    212,018.04x = 17,251,742,930.28
  5. Step 5: Solve for x
    x = 17,251,742,930.28/212,018.04
  6. Step 6: Final answer
    x = 81,369.22

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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.