Home / 133,041.16-183,599.70-72,612.04

Finding the Fourth Proportional to 133,041.16, 183,599.70 and 72,612.04

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Solution

The fourth proportional to 133,041.16, 183,599.70 and 72,612.04 is: 100,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,041.16 : 183,599.70 = 72,612.04 : x
  2. Step 2: Convert to fraction form
    133,041.16/183,599.70 = 72,612.04/x
  3. Step 3: Cross multiply
    133,041.16x = 183,599.70 × 72,612.04
  4. Step 4: Simplify right side
    133,041.16x = 13,331,548,760.39
  5. Step 5: Solve for x
    x = 13,331,548,760.39/133,041.16
  6. Step 6: Final answer
    x = 100,206.20

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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.