Home / 145,863.36-218,663.73-52,347.24

Finding the Fourth Proportional to 145,863.36, 218,663.73 and 52,347.24

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Solution

The fourth proportional to 145,863.36, 218,663.73 and 52,347.24 is: 78,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,863.36 : 218,663.73 = 52,347.24 : x
  2. Step 2: Convert to fraction form
    145,863.36/218,663.73 = 52,347.24/x
  3. Step 3: Cross multiply
    145,863.36x = 218,663.73 × 52,347.24
  4. Step 4: Simplify right side
    145,863.36x = 11,446,442,753.61
  5. Step 5: Solve for x
    x = 11,446,442,753.61/145,863.36
  6. Step 6: Final answer
    x = 78,473.74

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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.