Home / 119,649.15-179,416.62-69,743.63

Finding the Fourth Proportional to 119,649.15, 179,416.62 and 69,743.63

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Solution

The fourth proportional to 119,649.15, 179,416.62 and 69,743.63 is: 104,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,649.15 : 179,416.62 = 69,743.63 : x
  2. Step 2: Convert to fraction form
    119,649.15/179,416.62 = 69,743.63/x
  3. Step 3: Cross multiply
    119,649.15x = 179,416.62 × 69,743.63
  4. Step 4: Simplify right side
    119,649.15x = 12,513,166,809.67
  5. Step 5: Solve for x
    x = 12,513,166,809.67/119,649.15
  6. Step 6: Final answer
    x = 104,582.16

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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.