Home / 132,053.47-182,228.86-78,306.32

Finding the Fourth Proportional to 132,053.47, 182,228.86 and 78,306.32

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Solution

The fourth proportional to 132,053.47, 182,228.86 and 78,306.32 is: 108,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,053.47 : 182,228.86 = 78,306.32 : x
  2. Step 2: Convert to fraction form
    132,053.47/182,228.86 = 78,306.32/x
  3. Step 3: Cross multiply
    132,053.47x = 182,228.86 × 78,306.32
  4. Step 4: Simplify right side
    132,053.47x = 14,269,671,424.40
  5. Step 5: Solve for x
    x = 14,269,671,424.40/132,053.47
  6. Step 6: Final answer
    x = 108,059.80

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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.