Home / 160,165.06-221,010.87-88,533.52

Finding the Fourth Proportional to 160,165.06, 221,010.87 and 88,533.52

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Solution

The fourth proportional to 160,165.06, 221,010.87 and 88,533.52 is: 122,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,165.06 : 221,010.87 = 88,533.52 : x
  2. Step 2: Convert to fraction form
    160,165.06/221,010.87 = 88,533.52/x
  3. Step 3: Cross multiply
    160,165.06x = 221,010.87 × 88,533.52
  4. Step 4: Simplify right side
    160,165.06x = 19,566,870,279.36
  5. Step 5: Solve for x
    x = 19,566,870,279.36/160,165.06
  6. Step 6: Final answer
    x = 122,166.91

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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.