Home / 131,585.48-197,389.02-42,815.24

Finding the Fourth Proportional to 131,585.48, 197,389.02 and 42,815.24

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Solution

The fourth proportional to 131,585.48, 197,389.02 and 42,815.24 is: 64,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,585.48 : 197,389.02 = 42,815.24 : x
  2. Step 2: Convert to fraction form
    131,585.48/197,389.02 = 42,815.24/x
  3. Step 3: Cross multiply
    131,585.48x = 197,389.02 × 42,815.24
  4. Step 4: Simplify right side
    131,585.48x = 8,451,258,264.66
  5. Step 5: Solve for x
    x = 8,451,258,264.66/131,585.48
  6. Step 6: Final answer
    x = 64,226.37

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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.