Home / 102,655.23-153,933.63-52,709.61

Finding the Fourth Proportional to 102,655.23, 153,933.63 and 52,709.61

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Solution

The fourth proportional to 102,655.23, 153,933.63 and 52,709.61 is: 79,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,655.23 : 153,933.63 = 52,709.61 : x
  2. Step 2: Convert to fraction form
    102,655.23/153,933.63 = 52,709.61/x
  3. Step 3: Cross multiply
    102,655.23x = 153,933.63 × 52,709.61
  4. Step 4: Simplify right side
    102,655.23x = 8,113,781,603.18
  5. Step 5: Solve for x
    x = 8,113,781,603.18/102,655.23
  6. Step 6: Final answer
    x = 79,039.14

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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.