Home / 152,043.77-209,819.87-84,975.77

Finding the Fourth Proportional to 152,043.77, 209,819.87 and 84,975.77

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Solution

The fourth proportional to 152,043.77, 209,819.87 and 84,975.77 is: 117,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,043.77 : 209,819.87 = 84,975.77 : x
  2. Step 2: Convert to fraction form
    152,043.77/209,819.87 = 84,975.77/x
  3. Step 3: Cross multiply
    152,043.77x = 209,819.87 × 84,975.77
  4. Step 4: Simplify right side
    152,043.77x = 17,829,604,177.89
  5. Step 5: Solve for x
    x = 17,829,604,177.89/152,043.77
  6. Step 6: Final answer
    x = 117,266.26

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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.