Home / 145,971.91-201,364.75-126,808.66

Finding the Fourth Proportional to 145,971.91, 201,364.75 and 126,808.66

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Solution

The fourth proportional to 145,971.91, 201,364.75 and 126,808.66 is: 174,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,971.91 : 201,364.75 = 126,808.66 : x
  2. Step 2: Convert to fraction form
    145,971.91/201,364.75 = 126,808.66/x
  3. Step 3: Cross multiply
    145,971.91x = 201,364.75 × 126,808.66
  4. Step 4: Simplify right side
    145,971.91x = 25,534,794,118.74
  5. Step 5: Solve for x
    x = 25,534,794,118.74/145,971.91
  6. Step 6: Final answer
    x = 174,929.51

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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.