Home / 155,225.10-214,350.48-97,965.78

Finding the Fourth Proportional to 155,225.10, 214,350.48 and 97,965.78

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Solution

The fourth proportional to 155,225.10, 214,350.48 and 97,965.78 is: 135,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,225.10 : 214,350.48 = 97,965.78 : x
  2. Step 2: Convert to fraction form
    155,225.10/214,350.48 = 97,965.78/x
  3. Step 3: Cross multiply
    155,225.10x = 214,350.48 × 97,965.78
  4. Step 4: Simplify right side
    155,225.10x = 20,999,011,966.57
  5. Step 5: Solve for x
    x = 20,999,011,966.57/155,225.10
  6. Step 6: Final answer
    x = 135,281.03

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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.