Home / 131,459.20-197,210.40-56,615.20

Finding the Fourth Proportional to 131,459.20, 197,210.40 and 56,615.20

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Solution

The fourth proportional to 131,459.20, 197,210.40 and 56,615.20 is: 84,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,459.20 : 197,210.40 = 56,615.20 : x
  2. Step 2: Convert to fraction form
    131,459.20/197,210.40 = 56,615.20/x
  3. Step 3: Cross multiply
    131,459.20x = 197,210.40 × 56,615.20
  4. Step 4: Simplify right side
    131,459.20x = 11,165,106,238.08
  5. Step 5: Solve for x
    x = 11,165,106,238.08/131,459.20
  6. Step 6: Final answer
    x = 84,932.10

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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.