Home / 153,602.49-211,927.27-99,966.45

Finding the Fourth Proportional to 153,602.49, 211,927.27 and 99,966.45

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Solution

The fourth proportional to 153,602.49, 211,927.27 and 99,966.45 is: 137,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,602.49 : 211,927.27 = 99,966.45 : x
  2. Step 2: Convert to fraction form
    153,602.49/211,927.27 = 99,966.45/x
  3. Step 3: Cross multiply
    153,602.49x = 211,927.27 × 99,966.45
  4. Step 4: Simplify right side
    153,602.49x = 21,185,616,840.09
  5. Step 5: Solve for x
    x = 21,185,616,840.09/153,602.49
  6. Step 6: Final answer
    x = 137,924.96

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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.