Home / 120,980.04-181,351.80-54,436.92

Finding the Fourth Proportional to 120,980.04, 181,351.80 and 54,436.92

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Solution

The fourth proportional to 120,980.04, 181,351.80 and 54,436.92 is: 81,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,980.04 : 181,351.80 = 54,436.92 : x
  2. Step 2: Convert to fraction form
    120,980.04/181,351.80 = 54,436.92/x
  3. Step 3: Cross multiply
    120,980.04x = 181,351.80 × 54,436.92
  4. Step 4: Simplify right side
    120,980.04x = 9,872,233,428.46
  5. Step 5: Solve for x
    x = 9,872,233,428.46/120,980.04
  6. Step 6: Final answer
    x = 81,602.17

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1.5x scale

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.