Home / 160,756.14-221,823.09-88,139.93

Finding the Fourth Proportional to 160,756.14, 221,823.09 and 88,139.93

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Solution

The fourth proportional to 160,756.14, 221,823.09 and 88,139.93 is: 121,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,756.14 : 221,823.09 = 88,139.93 : x
  2. Step 2: Convert to fraction form
    160,756.14/221,823.09 = 88,139.93/x
  3. Step 3: Cross multiply
    160,756.14x = 221,823.09 × 88,139.93
  4. Step 4: Simplify right side
    160,756.14x = 19,551,470,295.52
  5. Step 5: Solve for x
    x = 19,551,470,295.52/160,756.14
  6. Step 6: Final answer
    x = 121,621.92

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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.