Home / 201,869.10-302,803.65-131,366.70

Finding the Fourth Proportional to 201,869.10, 302,803.65 and 131,366.70

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Solution

The fourth proportional to 201,869.10, 302,803.65 and 131,366.70 is: 197,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,869.10 : 302,803.65 = 131,366.70 : x
  2. Step 2: Convert to fraction form
    201,869.10/302,803.65 = 131,366.70/x
  3. Step 3: Cross multiply
    201,869.10x = 302,803.65 × 131,366.70
  4. Step 4: Simplify right side
    201,869.10x = 39,778,316,248.46
  5. Step 5: Solve for x
    x = 39,778,316,248.46/201,869.10
  6. Step 6: Final answer
    x = 197,050.05

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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.