Home / 133,013.04-183,555.36-72,584.88

Finding the Fourth Proportional to 133,013.04, 183,555.36 and 72,584.88

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Solution

The fourth proportional to 133,013.04, 183,555.36 and 72,584.88 is: 100,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.04 : 183,555.36 = 72,584.88 : x
  2. Step 2: Convert to fraction form
    133,013.04/183,555.36 = 72,584.88/x
  3. Step 3: Cross multiply
    133,013.04x = 183,555.36 × 72,584.88
  4. Step 4: Simplify right side
    133,013.04x = 13,323,343,778.96
  5. Step 5: Solve for x
    x = 13,323,343,778.96/133,013.04
  6. Step 6: Final answer
    x = 100,165.70

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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.