Home / 210,058.71-289,905.93-119,428.35

Finding the Fourth Proportional to 210,058.71, 289,905.93 and 119,428.35

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Solution

The fourth proportional to 210,058.71, 289,905.93 and 119,428.35 is: 164,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,058.71 : 289,905.93 = 119,428.35 : x
  2. Step 2: Convert to fraction form
    210,058.71/289,905.93 = 119,428.35/x
  3. Step 3: Cross multiply
    210,058.71x = 289,905.93 × 119,428.35
  4. Step 4: Simplify right side
    210,058.71x = 34,622,986,875.12
  5. Step 5: Solve for x
    x = 34,622,986,875.12/210,058.71
  6. Step 6: Final answer
    x = 164,825.29

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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.