Home / 163,007.15-224,960.65-91,391.81

Finding the Fourth Proportional to 163,007.15, 224,960.65 and 91,391.81

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Solution

The fourth proportional to 163,007.15, 224,960.65 and 91,391.81 is: 126,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,007.15 : 224,960.65 = 91,391.81 : x
  2. Step 2: Convert to fraction form
    163,007.15/224,960.65 = 91,391.81/x
  3. Step 3: Cross multiply
    163,007.15x = 224,960.65 × 91,391.81
  4. Step 4: Simplify right side
    163,007.15x = 20,559,559,628.99
  5. Step 5: Solve for x
    x = 20,559,559,628.99/163,007.15
  6. Step 6: Final answer
    x = 126,126.74

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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.