Home / 145,786.77-218,551.37-56,978.24

Finding the Fourth Proportional to 145,786.77, 218,551.37 and 56,978.24

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Solution

The fourth proportional to 145,786.77, 218,551.37 and 56,978.24 is: 85,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,786.77 : 218,551.37 = 56,978.24 : x
  2. Step 2: Convert to fraction form
    145,786.77/218,551.37 = 56,978.24/x
  3. Step 3: Cross multiply
    145,786.77x = 218,551.37 × 56,978.24
  4. Step 4: Simplify right side
    145,786.77x = 12,452,671,034.54
  5. Step 5: Solve for x
    x = 12,452,671,034.54/145,786.77
  6. Step 6: Final answer
    x = 85,417.02

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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.