Home / 152,043.20-209,816.16-84,975.20

Finding the Fourth Proportional to 152,043.20, 209,816.16 and 84,975.20

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Solution

The fourth proportional to 152,043.20, 209,816.16 and 84,975.20 is: 117,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,043.20 : 209,816.16 = 84,975.20 : x
  2. Step 2: Convert to fraction form
    152,043.20/209,816.16 = 84,975.20/x
  3. Step 3: Cross multiply
    152,043.20x = 209,816.16 × 84,975.20
  4. Step 4: Simplify right side
    152,043.20x = 17,829,170,159.23
  5. Step 5: Solve for x
    x = 17,829,170,159.23/152,043.20
  6. Step 6: Final answer
    x = 117,263.84

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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.