Home / 84,284.76-126,427.08-25,118.91

Finding the Fourth Proportional to 84,284.76, 126,427.08 and 25,118.91

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Solution

The fourth proportional to 84,284.76, 126,427.08 and 25,118.91 is: 37,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,284.76 : 126,427.08 = 25,118.91 : x
  2. Step 2: Convert to fraction form
    84,284.76/126,427.08 = 25,118.91/x
  3. Step 3: Cross multiply
    84,284.76x = 126,427.08 × 25,118.91
  4. Step 4: Simplify right side
    84,284.76x = 3,175,710,444.08
  5. Step 5: Solve for x
    x = 3,175,710,444.08/84,284.76
  6. Step 6: Final answer
    x = 37,678.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.