Home / 132,846.36-183,328.20-72,417.48

Finding the Fourth Proportional to 132,846.36, 183,328.20 and 72,417.48

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Solution

The fourth proportional to 132,846.36, 183,328.20 and 72,417.48 is: 99,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,846.36 : 183,328.20 = 72,417.48 : x
  2. Step 2: Convert to fraction form
    132,846.36/183,328.20 = 72,417.48/x
  3. Step 3: Cross multiply
    132,846.36x = 183,328.20 × 72,417.48
  4. Step 4: Simplify right side
    132,846.36x = 13,276,166,256.94
  5. Step 5: Solve for x
    x = 13,276,166,256.94/132,846.36
  6. Step 6: Final answer
    x = 99,936.24

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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.