Home / 212,506.07-293,256.05-120,642.89

Finding the Fourth Proportional to 212,506.07, 293,256.05 and 120,642.89

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Solution

The fourth proportional to 212,506.07, 293,256.05 and 120,642.89 is: 166,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,506.07 : 293,256.05 = 120,642.89 : x
  2. Step 2: Convert to fraction form
    212,506.07/293,256.05 = 120,642.89/x
  3. Step 3: Cross multiply
    212,506.07x = 293,256.05 × 120,642.89
  4. Step 4: Simplify right side
    212,506.07x = 35,379,255,312.49
  5. Step 5: Solve for x
    x = 35,379,255,312.49/212,506.07
  6. Step 6: Final answer
    x = 166,485.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.