Home / 208,126.39-312,154.37-58,332.21

Finding the Fourth Proportional to 208,126.39, 312,154.37 and 58,332.21

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Solution

The fourth proportional to 208,126.39, 312,154.37 and 58,332.21 is: 87,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,126.39 : 312,154.37 = 58,332.21 : x
  2. Step 2: Convert to fraction form
    208,126.39/312,154.37 = 58,332.21/x
  3. Step 3: Cross multiply
    208,126.39x = 312,154.37 × 58,332.21
  4. Step 4: Simplify right side
    208,126.39x = 18,208,654,263.26
  5. Step 5: Solve for x
    x = 18,208,654,263.26/208,126.39
  6. Step 6: Final answer
    x = 87,488.45

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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.