Home / 97,271.44-145,907.32-55,689.68

Finding the Fourth Proportional to 97,271.44, 145,907.32 and 55,689.68

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Solution

The fourth proportional to 97,271.44, 145,907.32 and 55,689.68 is: 83,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,271.44 : 145,907.32 = 55,689.68 : x
  2. Step 2: Convert to fraction form
    97,271.44/145,907.32 = 55,689.68/x
  3. Step 3: Cross multiply
    97,271.44x = 145,907.32 × 55,689.68
  4. Step 4: Simplify right side
    97,271.44x = 8,125,531,960.46
  5. Step 5: Solve for x
    x = 8,125,531,960.46/97,271.44
  6. Step 6: Final answer
    x = 83,534.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.