Home / 160,726.90-221,794.86-89,106.16

Finding the Fourth Proportional to 160,726.90, 221,794.86 and 89,106.16

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Solution

The fourth proportional to 160,726.90, 221,794.86 and 89,106.16 is: 122,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,726.90 : 221,794.86 = 89,106.16 : x
  2. Step 2: Convert to fraction form
    160,726.90/221,794.86 = 89,106.16/x
  3. Step 3: Cross multiply
    160,726.90x = 221,794.86 × 89,106.16
  4. Step 4: Simplify right side
    160,726.90x = 19,763,288,282.34
  5. Step 5: Solve for x
    x = 19,763,288,282.34/160,726.90
  6. Step 6: Final answer
    x = 122,961.92

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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.