Home / 152,943.52-211,064.76-84,966.64

Finding the Fourth Proportional to 152,943.52, 211,064.76 and 84,966.64

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Solution

The fourth proportional to 152,943.52, 211,064.76 and 84,966.64 is: 117,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,943.52 : 211,064.76 = 84,966.64 : x
  2. Step 2: Convert to fraction form
    152,943.52/211,064.76 = 84,966.64/x
  3. Step 3: Cross multiply
    152,943.52x = 211,064.76 × 84,966.64
  4. Step 4: Simplify right side
    152,943.52x = 17,933,463,479.61
  5. Step 5: Solve for x
    x = 17,933,463,479.61/152,943.52
  6. Step 6: Final answer
    x = 117,255.46

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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.