Home / 210,264.04-290,121.06-120,822.76

Finding the Fourth Proportional to 210,264.04, 290,121.06 and 120,822.76

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Solution

The fourth proportional to 210,264.04, 290,121.06 and 120,822.76 is: 166,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,264.04 : 290,121.06 = 120,822.76 : x
  2. Step 2: Convert to fraction form
    210,264.04/290,121.06 = 120,822.76/x
  3. Step 3: Cross multiply
    210,264.04x = 290,121.06 × 120,822.76
  4. Step 4: Simplify right side
    210,264.04x = 35,053,227,203.33
  5. Step 5: Solve for x
    x = 35,053,227,203.33/210,264.04
  6. Step 6: Final answer
    x = 166,710.52

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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.