Home / 86,925.79-130,378.34-22,890.43

Finding the Fourth Proportional to 86,925.79, 130,378.34 and 22,890.43

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Solution

The fourth proportional to 86,925.79, 130,378.34 and 22,890.43 is: 34,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925.79 : 130,378.34 = 22,890.43 : x
  2. Step 2: Convert to fraction form
    86,925.79/130,378.34 = 22,890.43/x
  3. Step 3: Cross multiply
    86,925.79x = 130,378.34 × 22,890.43
  4. Step 4: Simplify right side
    86,925.79x = 2,984,416,485.49
  5. Step 5: Solve for x
    x = 2,984,416,485.49/86,925.79
  6. Step 6: Final answer
    x = 34,332.92

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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.