Home / 140,460.96-193,834.80-76,798.08

Finding the Fourth Proportional to 140,460.96, 193,834.80 and 76,798.08

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Solution

The fourth proportional to 140,460.96, 193,834.80 and 76,798.08 is: 105,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,460.96 : 193,834.80 = 76,798.08 : x
  2. Step 2: Convert to fraction form
    140,460.96/193,834.80 = 76,798.08/x
  3. Step 3: Cross multiply
    140,460.96x = 193,834.80 × 76,798.08
  4. Step 4: Simplify right side
    140,460.96x = 14,886,140,477.18
  5. Step 5: Solve for x
    x = 14,886,140,477.18/140,460.96
  6. Step 6: Final answer
    x = 105,980.63

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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.