Home / 102,231.77-141,088.37-56,918.34

Finding the Fourth Proportional to 102,231.77, 141,088.37 and 56,918.34

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Solution

The fourth proportional to 102,231.77, 141,088.37 and 56,918.34 is: 78,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,231.77 : 141,088.37 = 56,918.34 : x
  2. Step 2: Convert to fraction form
    102,231.77/141,088.37 = 56,918.34/x
  3. Step 3: Cross multiply
    102,231.77x = 141,088.37 × 56,918.34
  4. Step 4: Simplify right side
    102,231.77x = 8,030,515,529.11
  5. Step 5: Solve for x
    x = 8,030,515,529.11/102,231.77
  6. Step 6: Final answer
    x = 78,552.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.