Home / 160,636.32-221,679.36-89,017.50

Finding the Fourth Proportional to 160,636.32, 221,679.36 and 89,017.50

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Solution

The fourth proportional to 160,636.32, 221,679.36 and 89,017.50 is: 122,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,636.32 : 221,679.36 = 89,017.50 : x
  2. Step 2: Convert to fraction form
    160,636.32/221,679.36 = 89,017.50/x
  3. Step 3: Cross multiply
    160,636.32x = 221,679.36 × 89,017.50
  4. Step 4: Simplify right side
    160,636.32x = 19,733,342,428.80
  5. Step 5: Solve for x
    x = 19,733,342,428.80/160,636.32
  6. Step 6: Final answer
    x = 122,844.84

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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.