Home / 154,044.60-212,573.94-86,048.08

Finding the Fourth Proportional to 154,044.60, 212,573.94 and 86,048.08

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Solution

The fourth proportional to 154,044.60, 212,573.94 and 86,048.08 is: 118,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,044.60 : 212,573.94 = 86,048.08 : x
  2. Step 2: Convert to fraction form
    154,044.60/212,573.94 = 86,048.08/x
  3. Step 3: Cross multiply
    154,044.60x = 212,573.94 × 86,048.08
  4. Step 4: Simplify right side
    154,044.60x = 18,291,579,395.04
  5. Step 5: Solve for x
    x = 18,291,579,395.04/154,044.60
  6. Step 6: Final answer
    x = 118,742.10

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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.