Home / 114,732.81-158,348.39-90,478.17

Finding the Fourth Proportional to 114,732.81, 158,348.39 and 90,478.17

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Solution

The fourth proportional to 114,732.81, 158,348.39 and 90,478.17 is: 124,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,732.81 : 158,348.39 = 90,478.17 : x
  2. Step 2: Convert to fraction form
    114,732.81/158,348.39 = 90,478.17/x
  3. Step 3: Cross multiply
    114,732.81x = 158,348.39 × 90,478.17
  4. Step 4: Simplify right side
    114,732.81x = 14,327,072,097.26
  5. Step 5: Solve for x
    x = 14,327,072,097.26/114,732.81
  6. Step 6: Final answer
    x = 124,873.37

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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.