Home / 210,248.72-290,141.12-114,754.56

Finding the Fourth Proportional to 210,248.72, 290,141.12 and 114,754.56

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Solution

The fourth proportional to 210,248.72, 290,141.12 and 114,754.56 is: 158,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,248.72 : 290,141.12 = 114,754.56 : x
  2. Step 2: Convert to fraction form
    210,248.72/290,141.12 = 114,754.56/x
  3. Step 3: Cross multiply
    210,248.72x = 290,141.12 × 114,754.56
  4. Step 4: Simplify right side
    210,248.72x = 33,295,016,563.51
  5. Step 5: Solve for x
    x = 33,295,016,563.51/210,248.72
  6. Step 6: Final answer
    x = 158,360.14

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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.