Home / 120,999.13-181,498.89-47,127.13

Finding the Fourth Proportional to 120,999.13, 181,498.89 and 47,127.13

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Solution

The fourth proportional to 120,999.13, 181,498.89 and 47,127.13 is: 70,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,999.13 : 181,498.89 = 47,127.13 : x
  2. Step 2: Convert to fraction form
    120,999.13/181,498.89 = 47,127.13/x
  3. Step 3: Cross multiply
    120,999.13x = 181,498.89 × 47,127.13
  4. Step 4: Simplify right side
    120,999.13x = 8,553,521,783.89
  5. Step 5: Solve for x
    x = 8,553,521,783.89/120,999.13
  6. Step 6: Final answer
    x = 70,690.77

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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.