Home / 160,730.28-221,807.42-89,108.46

Finding the Fourth Proportional to 160,730.28, 221,807.42 and 89,108.46

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Solution

The fourth proportional to 160,730.28, 221,807.42 and 89,108.46 is: 122,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,730.28 : 221,807.42 = 89,108.46 : x
  2. Step 2: Convert to fraction form
    160,730.28/221,807.42 = 89,108.46/x
  3. Step 3: Cross multiply
    160,730.28x = 221,807.42 × 89,108.46
  4. Step 4: Simplify right side
    160,730.28x = 19,764,917,612.77
  5. Step 5: Solve for x
    x = 19,764,917,612.77/160,730.28
  6. Step 6: Final answer
    x = 122,969.47

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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.