Home / 103,549.42-155,356.73-36,988.07

Finding the Fourth Proportional to 103,549.42, 155,356.73 and 36,988.07

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Solution

The fourth proportional to 103,549.42, 155,356.73 and 36,988.07 is: 55,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549.42 : 155,356.73 = 36,988.07 : x
  2. Step 2: Convert to fraction form
    103,549.42/155,356.73 = 36,988.07/x
  3. Step 3: Cross multiply
    103,549.42x = 155,356.73 × 36,988.07
  4. Step 4: Simplify right side
    103,549.42x = 5,746,345,419.27
  5. Step 5: Solve for x
    x = 5,746,345,419.27/103,549.42
  6. Step 6: Final answer
    x = 55,493.75

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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.