Home / 210,083.31-289,822.62-142,075.20

Finding the Fourth Proportional to 210,083.31, 289,822.62 and 142,075.20

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Solution

The fourth proportional to 210,083.31, 289,822.62 and 142,075.20 is: 196,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,083.31 : 289,822.62 = 142,075.20 : x
  2. Step 2: Convert to fraction form
    210,083.31/289,822.62 = 142,075.20/x
  3. Step 3: Cross multiply
    210,083.31x = 289,822.62 × 142,075.20
  4. Step 4: Simplify right side
    210,083.31x = 41,176,606,701.02
  5. Step 5: Solve for x
    x = 41,176,606,701.02/210,083.31
  6. Step 6: Final answer
    x = 196,001.32

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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.