Home / 160,436.48-221,425.70-92,440.32

Finding the Fourth Proportional to 160,436.48, 221,425.70 and 92,440.32

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Solution

The fourth proportional to 160,436.48, 221,425.70 and 92,440.32 is: 127,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,436.48 : 221,425.70 = 92,440.32 : x
  2. Step 2: Convert to fraction form
    160,436.48/221,425.70 = 92,440.32/x
  3. Step 3: Cross multiply
    160,436.48x = 221,425.70 × 92,440.32
  4. Step 4: Simplify right side
    160,436.48x = 20,468,662,102.02
  5. Step 5: Solve for x
    x = 20,468,662,102.02/160,436.48
  6. Step 6: Final answer
    x = 127,581.09

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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.