Home / 132,039.04-182,146.08-86,710.48

Finding the Fourth Proportional to 132,039.04, 182,146.08 and 86,710.48

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Solution

The fourth proportional to 132,039.04, 182,146.08 and 86,710.48 is: 119,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,039.04 : 182,146.08 = 86,710.48 : x
  2. Step 2: Convert to fraction form
    132,039.04/182,146.08 = 86,710.48/x
  3. Step 3: Cross multiply
    132,039.04x = 182,146.08 × 86,710.48
  4. Step 4: Simplify right side
    132,039.04x = 15,793,974,026.92
  5. Step 5: Solve for x
    x = 15,793,974,026.92/132,039.04
  6. Step 6: Final answer
    x = 119,615.94

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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.