Home / 154,271.66-212,914.61-86,292.41

Finding the Fourth Proportional to 154,271.66, 212,914.61 and 86,292.41

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Solution

The fourth proportional to 154,271.66, 212,914.61 and 86,292.41 is: 119,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,271.66 : 212,914.61 = 86,292.41 : x
  2. Step 2: Convert to fraction form
    154,271.66/212,914.61 = 86,292.41/x
  3. Step 3: Cross multiply
    154,271.66x = 212,914.61 × 86,292.41
  4. Step 4: Simplify right side
    154,271.66x = 18,372,913,325.08
  5. Step 5: Solve for x
    x = 18,372,913,325.08/154,271.66
  6. Step 6: Final answer
    x = 119,094.55

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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.