Home / 112,148.55-154,768.46-64,411.47

Finding the Fourth Proportional to 112,148.55, 154,768.46 and 64,411.47

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Solution

The fourth proportional to 112,148.55, 154,768.46 and 64,411.47 is: 88,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,148.55 : 154,768.46 = 64,411.47 : x
  2. Step 2: Convert to fraction form
    112,148.55/154,768.46 = 64,411.47/x
  3. Step 3: Cross multiply
    112,148.55x = 154,768.46 × 64,411.47
  4. Step 4: Simplify right side
    112,148.55x = 9,968,863,696.18
  5. Step 5: Solve for x
    x = 9,968,863,696.18/112,148.55
  6. Step 6: Final answer
    x = 88,889.81

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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.