Home / 131,617-197,446.02-42,849.55

Finding the Fourth Proportional to 131,617, 197,446.02 and 42,849.55

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Solution

The fourth proportional to 131,617, 197,446.02 and 42,849.55 is: 64,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,617 : 197,446.02 = 42,849.55 : x
  2. Step 2: Convert to fraction form
    131,617/197,446.02 = 42,849.55/x
  3. Step 3: Cross multiply
    131,617x = 197,446.02 × 42,849.55
  4. Step 4: Simplify right side
    131,617x = 8,460,473,106.29
  5. Step 5: Solve for x
    x = 8,460,473,106.29/131,617
  6. Step 6: Final answer
    x = 64,281.01

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1.5x scale

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.