Home / 118,031.55-177,099.63-61,858.29

Finding the Fourth Proportional to 118,031.55, 177,099.63 and 61,858.29

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Solution

The fourth proportional to 118,031.55, 177,099.63 and 61,858.29 is: 92,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,031.55 : 177,099.63 = 61,858.29 : x
  2. Step 2: Convert to fraction form
    118,031.55/177,099.63 = 61,858.29/x
  3. Step 3: Cross multiply
    118,031.55x = 177,099.63 × 61,858.29
  4. Step 4: Simplify right side
    118,031.55x = 10,955,080,271.43
  5. Step 5: Solve for x
    x = 10,955,080,271.43/118,031.55
  6. Step 6: Final answer
    x = 92,814.85

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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.