Home / 177,856.02-245,449.18-102,428.82

Finding the Fourth Proportional to 177,856.02, 245,449.18 and 102,428.82

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Solution

The fourth proportional to 177,856.02, 245,449.18 and 102,428.82 is: 141,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,856.02 : 245,449.18 = 102,428.82 : x
  2. Step 2: Convert to fraction form
    177,856.02/245,449.18 = 102,428.82/x
  3. Step 3: Cross multiply
    177,856.02x = 245,449.18 × 102,428.82
  4. Step 4: Simplify right side
    177,856.02x = 25,141,069,877.37
  5. Step 5: Solve for x
    x = 25,141,069,877.37/177,856.02
  6. Step 6: Final answer
    x = 141,356.31

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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.