Home / 131,699.04-197,501.18-56,787

Finding the Fourth Proportional to 131,699.04, 197,501.18 and 56,787

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Solution

The fourth proportional to 131,699.04, 197,501.18 and 56,787 is: 85,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,699.04 : 197,501.18 = 56,787 : x
  2. Step 2: Convert to fraction form
    131,699.04/197,501.18 = 56,787/x
  3. Step 3: Cross multiply
    131,699.04x = 197,501.18 × 56,787
  4. Step 4: Simplify right side
    131,699.04x = 11,215,499,508.66
  5. Step 5: Solve for x
    x = 11,215,499,508.66/131,699.04
  6. Step 6: Final answer
    x = 85,160.07

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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.