Home / 164,273.76-226,492.40-137,089.02

Finding the Fourth Proportional to 164,273.76, 226,492.40 and 137,089.02

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Solution

The fourth proportional to 164,273.76, 226,492.40 and 137,089.02 is: 189,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,273.76 : 226,492.40 = 137,089.02 : x
  2. Step 2: Convert to fraction form
    164,273.76/226,492.40 = 137,089.02/x
  3. Step 3: Cross multiply
    164,273.76x = 226,492.40 × 137,089.02
  4. Step 4: Simplify right side
    164,273.76x = 31,049,621,153.45
  5. Step 5: Solve for x
    x = 31,049,621,153.45/164,273.76
  6. Step 6: Final answer
    x = 189,011.45

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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.