Home / 190,665.50-286,073.57-72,368.24

Finding the Fourth Proportional to 190,665.50, 286,073.57 and 72,368.24

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Solution

The fourth proportional to 190,665.50, 286,073.57 and 72,368.24 is: 108,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,665.50 : 286,073.57 = 72,368.24 : x
  2. Step 2: Convert to fraction form
    190,665.50/286,073.57 = 72,368.24/x
  3. Step 3: Cross multiply
    190,665.50x = 286,073.57 × 72,368.24
  4. Step 4: Simplify right side
    190,665.50x = 20,702,639,521.97
  5. Step 5: Solve for x
    x = 20,702,639,521.97/190,665.50
  6. Step 6: Final answer
    x = 108,580.94

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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.