Home / 129,925.86-179,469.81-104,527.90

Finding the Fourth Proportional to 129,925.86, 179,469.81 and 104,527.90

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Solution

The fourth proportional to 129,925.86, 179,469.81 and 104,527.90 is: 144,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,925.86 : 179,469.81 = 104,527.90 : x
  2. Step 2: Convert to fraction form
    129,925.86/179,469.81 = 104,527.90/x
  3. Step 3: Cross multiply
    129,925.86x = 179,469.81 × 104,527.90
  4. Step 4: Simplify right side
    129,925.86x = 18,759,602,577.04
  5. Step 5: Solve for x
    x = 18,759,602,577.04/129,925.86
  6. Step 6: Final answer
    x = 144,386.98

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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.