Home / 122,340.80-183,467.13-42,357.05

Finding the Fourth Proportional to 122,340.80, 183,467.13 and 42,357.05

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Solution

The fourth proportional to 122,340.80, 183,467.13 and 42,357.05 is: 63,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,340.80 : 183,467.13 = 42,357.05 : x
  2. Step 2: Convert to fraction form
    122,340.80/183,467.13 = 42,357.05/x
  3. Step 3: Cross multiply
    122,340.80x = 183,467.13 × 42,357.05
  4. Step 4: Simplify right side
    122,340.80x = 7,771,126,398.77
  5. Step 5: Solve for x
    x = 7,771,126,398.77/122,340.80
  6. Step 6: Final answer
    x = 63,520.32

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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.