Home / 133,244.85-183,818.84-79,498.62

Finding the Fourth Proportional to 133,244.85, 183,818.84 and 79,498.62

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Solution

The fourth proportional to 133,244.85, 183,818.84 and 79,498.62 is: 109,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,244.85 : 183,818.84 = 79,498.62 : x
  2. Step 2: Convert to fraction form
    133,244.85/183,818.84 = 79,498.62/x
  3. Step 3: Cross multiply
    133,244.85x = 183,818.84 × 79,498.62
  4. Step 4: Simplify right side
    133,244.85x = 14,613,343,712.51
  5. Step 5: Solve for x
    x = 14,613,343,712.51/133,244.85
  6. Step 6: Final answer
    x = 109,672.86

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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.