Home / 155,968.58-215,237.29-84,348.60

Finding the Fourth Proportional to 155,968.58, 215,237.29 and 84,348.60

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Solution

The fourth proportional to 155,968.58, 215,237.29 and 84,348.60 is: 116,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,968.58 : 215,237.29 = 84,348.60 : x
  2. Step 2: Convert to fraction form
    155,968.58/215,237.29 = 84,348.60/x
  3. Step 3: Cross multiply
    155,968.58x = 215,237.29 × 84,348.60
  4. Step 4: Simplify right side
    155,968.58x = 18,154,963,657.55
  5. Step 5: Solve for x
    x = 18,154,963,657.55/155,968.58
  6. Step 6: Final answer
    x = 116,401.42

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1.5x scale

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.