Home / 132,847.68-183,328.56-72,418.24

Finding the Fourth Proportional to 132,847.68, 183,328.56 and 72,418.24

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Solution

The fourth proportional to 132,847.68, 183,328.56 and 72,418.24 is: 99,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,847.68 : 183,328.56 = 72,418.24 : x
  2. Step 2: Convert to fraction form
    132,847.68/183,328.56 = 72,418.24/x
  3. Step 3: Cross multiply
    132,847.68x = 183,328.56 × 72,418.24
  4. Step 4: Simplify right side
    132,847.68x = 13,276,331,656.93
  5. Step 5: Solve for x
    x = 13,276,331,656.93/132,847.68
  6. Step 6: Final answer
    x = 99,936.50

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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.