Home / 165,420.49-247,010.25-131,303.74

Finding the Fourth Proportional to 165,420.49, 247,010.25 and 131,303.74

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Solution

The fourth proportional to 165,420.49, 247,010.25 and 131,303.74 is: 196,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,420.49 : 247,010.25 = 131,303.74 : x
  2. Step 2: Convert to fraction form
    165,420.49/247,010.25 = 131,303.74/x
  3. Step 3: Cross multiply
    165,420.49x = 247,010.25 × 131,303.74
  4. Step 4: Simplify right side
    165,420.49x = 32,433,369,643.34
  5. Step 5: Solve for x
    x = 32,433,369,643.34/165,420.49
  6. Step 6: Final answer
    x = 196,066.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.