Home / 133,036.48-183,613.76-79,324.80

Finding the Fourth Proportional to 133,036.48, 183,613.76 and 79,324.80

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Solution

The fourth proportional to 133,036.48, 183,613.76 and 79,324.80 is: 109,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.48 : 183,613.76 = 79,324.80 : x
  2. Step 2: Convert to fraction form
    133,036.48/183,613.76 = 79,324.80/x
  3. Step 3: Cross multiply
    133,036.48x = 183,613.76 × 79,324.80
  4. Step 4: Simplify right side
    133,036.48x = 14,565,124,789.25
  5. Step 5: Solve for x
    x = 14,565,124,789.25/133,036.48
  6. Step 6: Final answer
    x = 109,482.19

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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.