Home / 133,283.17-183,925.69-72,853.30

Finding the Fourth Proportional to 133,283.17, 183,925.69 and 72,853.30

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Solution

The fourth proportional to 133,283.17, 183,925.69 and 72,853.30 is: 100,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,283.17 : 183,925.69 = 72,853.30 : x
  2. Step 2: Convert to fraction form
    133,283.17/183,925.69 = 72,853.30/x
  3. Step 3: Cross multiply
    133,283.17x = 183,925.69 × 72,853.30
  4. Step 4: Simplify right side
    133,283.17x = 13,399,593,471.28
  5. Step 5: Solve for x
    x = 13,399,593,471.28/133,283.17
  6. Step 6: Final answer
    x = 100,534.77

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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.