Home / 204,421.60-306,510.90-125,592.40

Finding the Fourth Proportional to 204,421.60, 306,510.90 and 125,592.40

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Solution

The fourth proportional to 204,421.60, 306,510.90 and 125,592.40 is: 188,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,421.60 : 306,510.90 = 125,592.40 : x
  2. Step 2: Convert to fraction form
    204,421.60/306,510.90 = 125,592.40/x
  3. Step 3: Cross multiply
    204,421.60x = 306,510.90 × 125,592.40
  4. Step 4: Simplify right side
    204,421.60x = 38,495,439,557.16
  5. Step 5: Solve for x
    x = 38,495,439,557.16/204,421.60
  6. Step 6: Final answer
    x = 188,313.95

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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.