Home / 122,009.69-183,031.25-37,776.78

Finding the Fourth Proportional to 122,009.69, 183,031.25 and 37,776.78

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Solution

The fourth proportional to 122,009.69, 183,031.25 and 37,776.78 is: 56,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,009.69 : 183,031.25 = 37,776.78 : x
  2. Step 2: Convert to fraction form
    122,009.69/183,031.25 = 37,776.78/x
  3. Step 3: Cross multiply
    122,009.69x = 183,031.25 × 37,776.78
  4. Step 4: Simplify right side
    122,009.69x = 6,914,331,075.49
  5. Step 5: Solve for x
    x = 6,914,331,075.49/122,009.69
  6. Step 6: Final answer
    x = 56,670.34

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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.