Home / 122,424.12-183,618.90-39,307.32

Finding the Fourth Proportional to 122,424.12, 183,618.90 and 39,307.32

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Solution

The fourth proportional to 122,424.12, 183,618.90 and 39,307.32 is: 58,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,424.12 : 183,618.90 = 39,307.32 : x
  2. Step 2: Convert to fraction form
    122,424.12/183,618.90 = 39,307.32/x
  3. Step 3: Cross multiply
    122,424.12x = 183,618.90 × 39,307.32
  4. Step 4: Simplify right side
    122,424.12x = 7,217,566,860.35
  5. Step 5: Solve for x
    x = 7,217,566,860.35/122,424.12
  6. Step 6: Final answer
    x = 58,955.43

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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.