Home / 155,820.96-233,938.86-105,389.40

Finding the Fourth Proportional to 155,820.96, 233,938.86 and 105,389.40

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Solution

The fourth proportional to 155,820.96, 233,938.86 and 105,389.40 is: 158,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,820.96 : 233,938.86 = 105,389.40 : x
  2. Step 2: Convert to fraction form
    155,820.96/233,938.86 = 105,389.40/x
  3. Step 3: Cross multiply
    155,820.96x = 233,938.86 × 105,389.40
  4. Step 4: Simplify right side
    155,820.96x = 24,654,676,092.08
  5. Step 5: Solve for x
    x = 24,654,676,092.08/155,820.96
  6. Step 6: Final answer
    x = 158,224.39

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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.