Home / 132,943.35-183,462.40-72,515.29

Finding the Fourth Proportional to 132,943.35, 183,462.40 and 72,515.29

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Solution

The fourth proportional to 132,943.35, 183,462.40 and 72,515.29 is: 100,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,943.35 : 183,462.40 = 72,515.29 : x
  2. Step 2: Convert to fraction form
    132,943.35/183,462.40 = 72,515.29/x
  3. Step 3: Cross multiply
    132,943.35x = 183,462.40 × 72,515.29
  4. Step 4: Simplify right side
    132,943.35x = 13,303,829,097.49
  5. Step 5: Solve for x
    x = 13,303,829,097.49/132,943.35
  6. Step 6: Final answer
    x = 100,071.41

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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.