Home / 131,463.57-197,206.29-42,715.11

Finding the Fourth Proportional to 131,463.57, 197,206.29 and 42,715.11

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Solution

The fourth proportional to 131,463.57, 197,206.29 and 42,715.11 is: 64,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,463.57 : 197,206.29 = 42,715.11 : x
  2. Step 2: Convert to fraction form
    131,463.57/197,206.29 = 42,715.11/x
  3. Step 3: Cross multiply
    131,463.57x = 197,206.29 × 42,715.11
  4. Step 4: Simplify right side
    131,463.57x = 8,423,688,370.04
  5. Step 5: Solve for x
    x = 8,423,688,370.04/131,463.57
  6. Step 6: Final answer
    x = 64,076.22

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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.