Home / 212,417.27-318,532.41-112,554.45

Finding the Fourth Proportional to 212,417.27, 318,532.41 and 112,554.45

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Solution

The fourth proportional to 212,417.27, 318,532.41 and 112,554.45 is: 168,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,417.27 : 318,532.41 = 112,554.45 : x
  2. Step 2: Convert to fraction form
    212,417.27/318,532.41 = 112,554.45/x
  3. Step 3: Cross multiply
    212,417.27x = 318,532.41 × 112,554.45
  4. Step 4: Simplify right side
    212,417.27x = 35,852,240,214.72
  5. Step 5: Solve for x
    x = 35,852,240,214.72/212,417.27
  6. Step 6: Final answer
    x = 168,782.14

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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.