Home / 131,612.04-197,439.12-42,858.72

Finding the Fourth Proportional to 131,612.04, 197,439.12 and 42,858.72

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Solution

The fourth proportional to 131,612.04, 197,439.12 and 42,858.72 is: 64,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,612.04 : 197,439.12 = 42,858.72 : x
  2. Step 2: Convert to fraction form
    131,612.04/197,439.12 = 42,858.72/x
  3. Step 3: Cross multiply
    131,612.04x = 197,439.12 × 42,858.72
  4. Step 4: Simplify right side
    131,612.04x = 8,461,987,961.13
  5. Step 5: Solve for x
    x = 8,461,987,961.13/131,612.04
  6. Step 6: Final answer
    x = 64,294.94

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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.