Home / 154,339.03-213,021.12-93,929.10

Finding the Fourth Proportional to 154,339.03, 213,021.12 and 93,929.10

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Solution

The fourth proportional to 154,339.03, 213,021.12 and 93,929.10 is: 129,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,339.03 : 213,021.12 = 93,929.10 : x
  2. Step 2: Convert to fraction form
    154,339.03/213,021.12 = 93,929.10/x
  3. Step 3: Cross multiply
    154,339.03x = 213,021.12 × 93,929.10
  4. Step 4: Simplify right side
    154,339.03x = 20,008,882,082.59
  5. Step 5: Solve for x
    x = 20,008,882,082.59/154,339.03
  6. Step 6: Final answer
    x = 129,642.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.