Home / 210,760.17-290,848.40-113,963.36

Finding the Fourth Proportional to 210,760.17, 290,848.40 and 113,963.36

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Solution

The fourth proportional to 210,760.17, 290,848.40 and 113,963.36 is: 157,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,760.17 : 290,848.40 = 113,963.36 : x
  2. Step 2: Convert to fraction form
    210,760.17/290,848.40 = 113,963.36/x
  3. Step 3: Cross multiply
    210,760.17x = 290,848.40 × 113,963.36
  4. Step 4: Simplify right side
    210,760.17x = 33,146,058,890.57
  5. Step 5: Solve for x
    x = 33,146,058,890.57/210,760.17
  6. Step 6: Final answer
    x = 157,269.08

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1.5x scale

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.