Home / 133,125.39-183,714.21-72,696.74

Finding the Fourth Proportional to 133,125.39, 183,714.21 and 72,696.74

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Solution

The fourth proportional to 133,125.39, 183,714.21 and 72,696.74 is: 100,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,125.39 : 183,714.21 = 72,696.74 : x
  2. Step 2: Convert to fraction form
    133,125.39/183,714.21 = 72,696.74/x
  3. Step 3: Cross multiply
    133,125.39x = 183,714.21 × 72,696.74
  4. Step 4: Simplify right side
    133,125.39x = 13,355,423,240.10
  5. Step 5: Solve for x
    x = 13,355,423,240.10/133,125.39
  6. Step 6: Final answer
    x = 100,322.13

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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.