Home / 131,691.40-197,597.07-55,810.70

Finding the Fourth Proportional to 131,691.40, 197,597.07 and 55,810.70

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Solution

The fourth proportional to 131,691.40, 197,597.07 and 55,810.70 is: 83,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,691.40 : 197,597.07 = 55,810.70 : x
  2. Step 2: Convert to fraction form
    131,691.40/197,597.07 = 55,810.70/x
  3. Step 3: Cross multiply
    131,691.40x = 197,597.07 × 55,810.70
  4. Step 4: Simplify right side
    131,691.40x = 11,028,030,547.65
  5. Step 5: Solve for x
    x = 11,028,030,547.65/131,691.40
  6. Step 6: Final answer
    x = 83,741.46

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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.