Home / 132,125.24-182,307.30-78,457.88

Finding the Fourth Proportional to 132,125.24, 182,307.30 and 78,457.88

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Solution

The fourth proportional to 132,125.24, 182,307.30 and 78,457.88 is: 108,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,125.24 : 182,307.30 = 78,457.88 : x
  2. Step 2: Convert to fraction form
    132,125.24/182,307.30 = 78,457.88/x
  3. Step 3: Cross multiply
    132,125.24x = 182,307.30 × 78,457.88
  4. Step 4: Simplify right side
    132,125.24x = 14,303,444,266.52
  5. Step 5: Solve for x
    x = 14,303,444,266.52/132,125.24
  6. Step 6: Final answer
    x = 108,256.71

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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.