Home / 132,984.79-183,518.56-72,555.45

Finding the Fourth Proportional to 132,984.79, 183,518.56 and 72,555.45

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Solution

The fourth proportional to 132,984.79, 183,518.56 and 72,555.45 is: 100,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,984.79 : 183,518.56 = 72,555.45 : x
  2. Step 2: Convert to fraction form
    132,984.79/183,518.56 = 72,555.45/x
  3. Step 3: Cross multiply
    132,984.79x = 183,518.56 × 72,555.45
  4. Step 4: Simplify right side
    132,984.79x = 13,315,270,423.78
  5. Step 5: Solve for x
    x = 13,315,270,423.78/132,984.79
  6. Step 6: Final answer
    x = 100,126.27

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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.