Home / 177,855.02-245,447.80-102,427.82

Finding the Fourth Proportional to 177,855.02, 245,447.80 and 102,427.82

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Solution

The fourth proportional to 177,855.02, 245,447.80 and 102,427.82 is: 141,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,855.02 : 245,447.80 = 102,427.82 : x
  2. Step 2: Convert to fraction form
    177,855.02/245,447.80 = 102,427.82/x
  3. Step 3: Cross multiply
    177,855.02x = 245,447.80 × 102,427.82
  4. Step 4: Simplify right side
    177,855.02x = 25,140,683,077.80
  5. Step 5: Solve for x
    x = 25,140,683,077.80/177,855.02
  6. Step 6: Final answer
    x = 141,354.93

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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.