Home / 132,699.56-183,122.31-72,270

Finding the Fourth Proportional to 132,699.56, 183,122.31 and 72,270

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Solution

The fourth proportional to 132,699.56, 183,122.31 and 72,270 is: 99,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,699.56 : 183,122.31 = 72,270 : x
  2. Step 2: Convert to fraction form
    132,699.56/183,122.31 = 72,270/x
  3. Step 3: Cross multiply
    132,699.56x = 183,122.31 × 72,270
  4. Step 4: Simplify right side
    132,699.56x = 13,234,249,343.70
  5. Step 5: Solve for x
    x = 13,234,249,343.70/132,699.56
  6. Step 6: Final answer
    x = 99,730.92

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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.