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Finding the Fourth Proportional to 177,393.90, 266,090.84 and 65,031.64

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Solution

The fourth proportional to 177,393.90, 266,090.84 and 65,031.64 is: 97,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,393.90 : 266,090.84 = 65,031.64 : x
  2. Step 2: Convert to fraction form
    177,393.90/266,090.84 = 65,031.64/x
  3. Step 3: Cross multiply
    177,393.90x = 266,090.84 × 65,031.64
  4. Step 4: Simplify right side
    177,393.90x = 17,304,323,714.18
  5. Step 5: Solve for x
    x = 17,304,323,714.18/177,393.90
  6. Step 6: Final answer
    x = 97,547.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.