Home / 160,329.54-221,246.70-87,730.86

Finding the Fourth Proportional to 160,329.54, 221,246.70 and 87,730.86

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Solution

The fourth proportional to 160,329.54, 221,246.70 and 87,730.86 is: 121,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,329.54 : 221,246.70 = 87,730.86 : x
  2. Step 2: Convert to fraction form
    160,329.54/221,246.70 = 87,730.86/x
  3. Step 3: Cross multiply
    160,329.54x = 221,246.70 × 87,730.86
  4. Step 4: Simplify right side
    160,329.54x = 19,410,163,263.16
  5. Step 5: Solve for x
    x = 19,410,163,263.16/160,329.54
  6. Step 6: Final answer
    x = 121,064.17

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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.