Home / 154,103.04-212,609.16-113,901.12

Finding the Fourth Proportional to 154,103.04, 212,609.16 and 113,901.12

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Solution

The fourth proportional to 154,103.04, 212,609.16 and 113,901.12 is: 157,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,103.04 : 212,609.16 = 113,901.12 : x
  2. Step 2: Convert to fraction form
    154,103.04/212,609.16 = 113,901.12/x
  3. Step 3: Cross multiply
    154,103.04x = 212,609.16 × 113,901.12
  4. Step 4: Simplify right side
    154,103.04x = 24,216,421,446.26
  5. Step 5: Solve for x
    x = 24,216,421,446.26/154,103.04
  6. Step 6: Final answer
    x = 157,144.35

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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.