Home / 159,460.24-220,055.14-87,840.28

Finding the Fourth Proportional to 159,460.24, 220,055.14 and 87,840.28

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Solution

The fourth proportional to 159,460.24, 220,055.14 and 87,840.28 is: 121,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,460.24 : 220,055.14 = 87,840.28 : x
  2. Step 2: Convert to fraction form
    159,460.24/220,055.14 = 87,840.28/x
  3. Step 3: Cross multiply
    159,460.24x = 220,055.14 × 87,840.28
  4. Step 4: Simplify right side
    159,460.24x = 19,329,705,113.04
  5. Step 5: Solve for x
    x = 19,329,705,113.04/159,460.24
  6. Step 6: Final answer
    x = 121,219.59

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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.