Home / 132,035.91-182,204.63-78,288.77

Finding the Fourth Proportional to 132,035.91, 182,204.63 and 78,288.77

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Solution

The fourth proportional to 132,035.91, 182,204.63 and 78,288.77 is: 108,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,035.91 : 182,204.63 = 78,288.77 : x
  2. Step 2: Convert to fraction form
    132,035.91/182,204.63 = 78,288.77/x
  3. Step 3: Cross multiply
    132,035.91x = 182,204.63 × 78,288.77
  4. Step 4: Simplify right side
    132,035.91x = 14,264,575,068.54
  5. Step 5: Solve for x
    x = 14,264,575,068.54/132,035.91
  6. Step 6: Final answer
    x = 108,035.57

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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.