Home / 152,669.31-210,708.87-84,708.15

Finding the Fourth Proportional to 152,669.31, 210,708.87 and 84,708.15

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Solution

The fourth proportional to 152,669.31, 210,708.87 and 84,708.15 is: 116,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,669.31 : 210,708.87 = 84,708.15 : x
  2. Step 2: Convert to fraction form
    152,669.31/210,708.87 = 84,708.15/x
  3. Step 3: Cross multiply
    152,669.31x = 210,708.87 × 84,708.15
  4. Step 4: Simplify right side
    152,669.31x = 17,848,758,248.63
  5. Step 5: Solve for x
    x = 17,848,758,248.63/152,669.31
  6. Step 6: Final answer
    x = 116,911.24

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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.