Home / 133,021.16-183,573.09-72,595.70

Finding the Fourth Proportional to 133,021.16, 183,573.09 and 72,595.70

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Solution

The fourth proportional to 133,021.16, 183,573.09 and 72,595.70 is: 100,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021.16 : 183,573.09 = 72,595.70 : x
  2. Step 2: Convert to fraction form
    133,021.16/183,573.09 = 72,595.70/x
  3. Step 3: Cross multiply
    133,021.16x = 183,573.09 × 72,595.70
  4. Step 4: Simplify right side
    133,021.16x = 13,326,616,051.85
  5. Step 5: Solve for x
    x = 13,326,616,051.85/133,021.16
  6. Step 6: Final answer
    x = 100,184.19

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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.