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Finding the Fourth Proportional to 140,301.66, 210,522.89 and 65,427.69

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Solution

The fourth proportional to 140,301.66, 210,522.89 and 65,427.69 is: 98,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,301.66 : 210,522.89 = 65,427.69 : x
  2. Step 2: Convert to fraction form
    140,301.66/210,522.89 = 65,427.69/x
  3. Step 3: Cross multiply
    140,301.66x = 210,522.89 × 65,427.69
  4. Step 4: Simplify right side
    140,301.66x = 13,774,026,384.82
  5. Step 5: Solve for x
    x = 13,774,026,384.82/140,301.66
  6. Step 6: Final answer
    x = 98,174.37

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1.5x scale

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.