Home / 123,765.48-185,726.34-52,688.07

Finding the Fourth Proportional to 123,765.48, 185,726.34 and 52,688.07

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Solution

The fourth proportional to 123,765.48, 185,726.34 and 52,688.07 is: 79,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,765.48 : 185,726.34 = 52,688.07 : x
  2. Step 2: Convert to fraction form
    123,765.48/185,726.34 = 52,688.07/x
  3. Step 3: Cross multiply
    123,765.48x = 185,726.34 × 52,688.07
  4. Step 4: Simplify right side
    123,765.48x = 9,785,562,402.76
  5. Step 5: Solve for x
    x = 9,785,562,402.76/123,765.48
  6. Step 6: Final answer
    x = 79,065.36

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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.