Home / 86,308.67-119,088.92-54,521.15

Finding the Fourth Proportional to 86,308.67, 119,088.92 and 54,521.15

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Solution

The fourth proportional to 86,308.67, 119,088.92 and 54,521.15 is: 75,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,308.67 : 119,088.92 = 54,521.15 : x
  2. Step 2: Convert to fraction form
    86,308.67/119,088.92 = 54,521.15/x
  3. Step 3: Cross multiply
    86,308.67x = 119,088.92 × 54,521.15
  4. Step 4: Simplify right side
    86,308.67x = 6,492,864,598.05
  5. Step 5: Solve for x
    x = 6,492,864,598.05/86,308.67
  6. Step 6: Final answer
    x = 75,228.42

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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.