Home / 114,814.42-172,190.40-72,631.18

Finding the Fourth Proportional to 114,814.42, 172,190.40 and 72,631.18

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Solution

The fourth proportional to 114,814.42, 172,190.40 and 72,631.18 is: 108,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,814.42 : 172,190.40 = 72,631.18 : x
  2. Step 2: Convert to fraction form
    114,814.42/172,190.40 = 72,631.18/x
  3. Step 3: Cross multiply
    114,814.42x = 172,190.40 × 72,631.18
  4. Step 4: Simplify right side
    114,814.42x = 12,506,391,936.67
  5. Step 5: Solve for x
    x = 12,506,391,936.67/114,814.42
  6. Step 6: Final answer
    x = 108,927.01

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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.