Home / 159,468-220,075.92-87,848.16

Finding the Fourth Proportional to 159,468, 220,075.92 and 87,848.16

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Solution

The fourth proportional to 159,468, 220,075.92 and 87,848.16 is: 121,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,468 : 220,075.92 = 87,848.16 : x
  2. Step 2: Convert to fraction form
    159,468/220,075.92 = 87,848.16/x
  3. Step 3: Cross multiply
    159,468x = 220,075.92 × 87,848.16
  4. Step 4: Simplify right side
    159,468x = 19,333,264,632.31
  5. Step 5: Solve for x
    x = 19,333,264,632.31/159,468
  6. Step 6: Final answer
    x = 121,236.01

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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.