Home / 212,565.15-293,318.19-130,880.43

Finding the Fourth Proportional to 212,565.15, 293,318.19 and 130,880.43

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Solution

The fourth proportional to 212,565.15, 293,318.19 and 130,880.43 is: 180,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,565.15 : 293,318.19 = 130,880.43 : x
  2. Step 2: Convert to fraction form
    212,565.15/293,318.19 = 130,880.43/x
  3. Step 3: Cross multiply
    212,565.15x = 293,318.19 × 130,880.43
  4. Step 4: Simplify right side
    212,565.15x = 38,389,610,834.02
  5. Step 5: Solve for x
    x = 38,389,610,834.02/212,565.15
  6. Step 6: Final answer
    x = 180,601.62

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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.