Home / 147,427.51-221,010.31-57,449.36

Finding the Fourth Proportional to 147,427.51, 221,010.31 and 57,449.36

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Solution

The fourth proportional to 147,427.51, 221,010.31 and 57,449.36 is: 86,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,427.51 : 221,010.31 = 57,449.36 : x
  2. Step 2: Convert to fraction form
    147,427.51/221,010.31 = 57,449.36/x
  3. Step 3: Cross multiply
    147,427.51x = 221,010.31 × 57,449.36
  4. Step 4: Simplify right side
    147,427.51x = 12,696,900,862.90
  5. Step 5: Solve for x
    x = 12,696,900,862.90/147,427.51
  6. Step 6: Final answer
    x = 86,123.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.