Home / 156,202.66-215,559.79-84,582.74

Finding the Fourth Proportional to 156,202.66, 215,559.79 and 84,582.74

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Solution

The fourth proportional to 156,202.66, 215,559.79 and 84,582.74 is: 116,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,202.66 : 215,559.79 = 84,582.74 : x
  2. Step 2: Convert to fraction form
    156,202.66/215,559.79 = 84,582.74/x
  3. Step 3: Cross multiply
    156,202.66x = 215,559.79 × 84,582.74
  4. Step 4: Simplify right side
    156,202.66x = 18,232,637,999.47
  5. Step 5: Solve for x
    x = 18,232,637,999.47/156,202.66
  6. Step 6: Final answer
    x = 116,724.25

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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.