Home / 208,088.39-312,132.59-88,164.25

Finding the Fourth Proportional to 208,088.39, 312,132.59 and 88,164.25

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Solution

The fourth proportional to 208,088.39, 312,132.59 and 88,164.25 is: 132,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,088.39 : 312,132.59 = 88,164.25 : x
  2. Step 2: Convert to fraction form
    208,088.39/312,132.59 = 88,164.25/x
  3. Step 3: Cross multiply
    208,088.39x = 312,132.59 × 88,164.25
  4. Step 4: Simplify right side
    208,088.39x = 27,518,934,807.37
  5. Step 5: Solve for x
    x = 27,518,934,807.37/208,088.39
  6. Step 6: Final answer
    x = 132,246.37

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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.