Home / 210,187.40-290,053.14-114,695.24

Finding the Fourth Proportional to 210,187.40, 290,053.14 and 114,695.24

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Solution

The fourth proportional to 210,187.40, 290,053.14 and 114,695.24 is: 158,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,187.40 : 290,053.14 = 114,695.24 : x
  2. Step 2: Convert to fraction form
    210,187.40/290,053.14 = 114,695.24/x
  3. Step 3: Cross multiply
    210,187.40x = 290,053.14 × 114,695.24
  4. Step 4: Simplify right side
    210,187.40x = 33,267,714,505.05
  5. Step 5: Solve for x
    x = 33,267,714,505.05/210,187.40
  6. Step 6: Final answer
    x = 158,276.45

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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.