Home / 170,690.34-235,602.63-99,102.54

Finding the Fourth Proportional to 170,690.34, 235,602.63 and 99,102.54

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Solution

The fourth proportional to 170,690.34, 235,602.63 and 99,102.54 is: 136,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,690.34 : 235,602.63 = 99,102.54 : x
  2. Step 2: Convert to fraction form
    170,690.34/235,602.63 = 99,102.54/x
  3. Step 3: Cross multiply
    170,690.34x = 235,602.63 × 99,102.54
  4. Step 4: Simplify right side
    170,690.34x = 23,348,819,063.68
  5. Step 5: Solve for x
    x = 23,348,819,063.68/170,690.34
  6. Step 6: Final answer
    x = 136,790.51

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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.