Home / 315,769.90-473,729.32-102,537.12

Finding the Fourth Proportional to 315,769.90, 473,729.32 and 102,537.12

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Solution

The fourth proportional to 315,769.90, 473,729.32 and 102,537.12 is: 153,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,769.90 : 473,729.32 = 102,537.12 : x
  2. Step 2: Convert to fraction form
    315,769.90/473,729.32 = 102,537.12/x
  3. Step 3: Cross multiply
    315,769.90x = 473,729.32 × 102,537.12
  4. Step 4: Simplify right side
    315,769.90x = 48,574,840,132.36
  5. Step 5: Solve for x
    x = 48,574,840,132.36/315,769.90
  6. Step 6: Final answer
    x = 153,829.86

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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.