Home / 248,316.24-342,677.64-135,139

Finding the Fourth Proportional to 248,316.24, 342,677.64 and 135,139

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Solution

The fourth proportional to 248,316.24, 342,677.64 and 135,139 is: 186,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,316.24 : 342,677.64 = 135,139 : x
  2. Step 2: Convert to fraction form
    248,316.24/342,677.64 = 135,139/x
  3. Step 3: Cross multiply
    248,316.24x = 342,677.64 × 135,139
  4. Step 4: Simplify right side
    248,316.24x = 46,309,113,591.96
  5. Step 5: Solve for x
    x = 46,309,113,591.96/248,316.24
  6. Step 6: Final answer
    x = 186,492.49

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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.