Home / 160,429.62-221,392.93-88,809.65

Finding the Fourth Proportional to 160,429.62, 221,392.93 and 88,809.65

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Solution

The fourth proportional to 160,429.62, 221,392.93 and 88,809.65 is: 122,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,429.62 : 221,392.93 = 88,809.65 : x
  2. Step 2: Convert to fraction form
    160,429.62/221,392.93 = 88,809.65/x
  3. Step 3: Cross multiply
    160,429.62x = 221,392.93 × 88,809.65
  4. Step 4: Simplify right side
    160,429.62x = 19,661,828,625.77
  5. Step 5: Solve for x
    x = 19,661,828,625.77/160,429.62
  6. Step 6: Final answer
    x = 122,557.35

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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.