Home / 151,780.83-209,457.87-83,797.95

Finding the Fourth Proportional to 151,780.83, 209,457.87 and 83,797.95

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Solution

The fourth proportional to 151,780.83, 209,457.87 and 83,797.95 is: 115,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,780.83 : 209,457.87 = 83,797.95 : x
  2. Step 2: Convert to fraction form
    151,780.83/209,457.87 = 83,797.95/x
  3. Step 3: Cross multiply
    151,780.83x = 209,457.87 × 83,797.95
  4. Step 4: Simplify right side
    151,780.83x = 17,552,140,117.37
  5. Step 5: Solve for x
    x = 17,552,140,117.37/151,780.83
  6. Step 6: Final answer
    x = 115,641.35

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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.