Home / 236,970.87-355,421.27-87,176.13

Finding the Fourth Proportional to 236,970.87, 355,421.27 and 87,176.13

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Solution

The fourth proportional to 236,970.87, 355,421.27 and 87,176.13 is: 130,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,970.87 : 355,421.27 = 87,176.13 : x
  2. Step 2: Convert to fraction form
    236,970.87/355,421.27 = 87,176.13/x
  3. Step 3: Cross multiply
    236,970.87x = 355,421.27 × 87,176.13
  4. Step 4: Simplify right side
    236,970.87x = 30,984,250,838.29
  5. Step 5: Solve for x
    x = 30,984,250,838.29/236,970.87
  6. Step 6: Final answer
    x = 130,751.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.