Home / 153,076.86-211,248.58-84,169.22

Finding the Fourth Proportional to 153,076.86, 211,248.58 and 84,169.22

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Solution

The fourth proportional to 153,076.86, 211,248.58 and 84,169.22 is: 116,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,076.86 : 211,248.58 = 84,169.22 : x
  2. Step 2: Convert to fraction form
    153,076.86/211,248.58 = 84,169.22/x
  3. Step 3: Cross multiply
    153,076.86x = 211,248.58 × 84,169.22
  4. Step 4: Simplify right side
    153,076.86x = 17,780,628,204.71
  5. Step 5: Solve for x
    x = 17,780,628,204.71/153,076.86
  6. Step 6: Final answer
    x = 116,154.91

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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.