Home / 131,624.09-197,435.98-42,877.45

Finding the Fourth Proportional to 131,624.09, 197,435.98 and 42,877.45

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Solution

The fourth proportional to 131,624.09, 197,435.98 and 42,877.45 is: 64,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,624.09 : 197,435.98 = 42,877.45 : x
  2. Step 2: Convert to fraction form
    131,624.09/197,435.98 = 42,877.45/x
  3. Step 3: Cross multiply
    131,624.09x = 197,435.98 × 42,877.45
  4. Step 4: Simplify right side
    131,624.09x = 8,465,551,360.65
  5. Step 5: Solve for x
    x = 8,465,551,360.65/131,624.09
  6. Step 6: Final answer
    x = 64,316.12

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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.