Home / 143,537.04-198,077.04-83,108.68

Finding the Fourth Proportional to 143,537.04, 198,077.04 and 83,108.68

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Solution

The fourth proportional to 143,537.04, 198,077.04 and 83,108.68 is: 114,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,537.04 : 198,077.04 = 83,108.68 : x
  2. Step 2: Convert to fraction form
    143,537.04/198,077.04 = 83,108.68/x
  3. Step 3: Cross multiply
    143,537.04x = 198,077.04 × 83,108.68
  4. Step 4: Simplify right side
    143,537.04x = 16,461,921,332.71
  5. Step 5: Solve for x
    x = 16,461,921,332.71/143,537.04
  6. Step 6: Final answer
    x = 114,687.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.