Home / 160,402.36-221,208.18-137,733.64

Finding the Fourth Proportional to 160,402.36, 221,208.18 and 137,733.64

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Solution

The fourth proportional to 160,402.36, 221,208.18 and 137,733.64 is: 189,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,402.36 : 221,208.18 = 137,733.64 : x
  2. Step 2: Convert to fraction form
    160,402.36/221,208.18 = 137,733.64/x
  3. Step 3: Cross multiply
    160,402.36x = 221,208.18 × 137,733.64
  4. Step 4: Simplify right side
    160,402.36x = 30,467,807,829.18
  5. Step 5: Solve for x
    x = 30,467,807,829.18/160,402.36
  6. Step 6: Final answer
    x = 189,946.13

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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.