Home / 132,547.37-182,855.09-78,801.89

Finding the Fourth Proportional to 132,547.37, 182,855.09 and 78,801.89

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Solution

The fourth proportional to 132,547.37, 182,855.09 and 78,801.89 is: 108,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,547.37 : 182,855.09 = 78,801.89 : x
  2. Step 2: Convert to fraction form
    132,547.37/182,855.09 = 78,801.89/x
  3. Step 3: Cross multiply
    132,547.37x = 182,855.09 × 78,801.89
  4. Step 4: Simplify right side
    132,547.37x = 14,409,325,970.85
  5. Step 5: Solve for x
    x = 14,409,325,970.85/132,547.37
  6. Step 6: Final answer
    x = 108,710.77

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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.