Home / 132,864.63-183,360.47-76,279.65

Finding the Fourth Proportional to 132,864.63, 183,360.47 and 76,279.65

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Solution

The fourth proportional to 132,864.63, 183,360.47 and 76,279.65 is: 105,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,864.63 : 183,360.47 = 76,279.65 : x
  2. Step 2: Convert to fraction form
    132,864.63/183,360.47 = 76,279.65/x
  3. Step 3: Cross multiply
    132,864.63x = 183,360.47 × 76,279.65
  4. Step 4: Simplify right side
    132,864.63x = 13,986,672,475.44
  5. Step 5: Solve for x
    x = 13,986,672,475.44/132,864.63
  6. Step 6: Final answer
    x = 105,270.10

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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.