Home / 132,916.24-183,420.40-72,488.06

Finding the Fourth Proportional to 132,916.24, 183,420.40 and 72,488.06

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Solution

The fourth proportional to 132,916.24, 183,420.40 and 72,488.06 is: 100,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916.24 : 183,420.40 = 72,488.06 : x
  2. Step 2: Convert to fraction form
    132,916.24/183,420.40 = 72,488.06/x
  3. Step 3: Cross multiply
    132,916.24x = 183,420.40 × 72,488.06
  4. Step 4: Simplify right side
    132,916.24x = 13,295,789,717.58
  5. Step 5: Solve for x
    x = 13,295,789,717.58/132,916.24
  6. Step 6: Final answer
    x = 100,031.34

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1.5x scale

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.