Home / 127,209.84-175,529.12-73,501.98

Finding the Fourth Proportional to 127,209.84, 175,529.12 and 73,501.98

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Solution

The fourth proportional to 127,209.84, 175,529.12 and 73,501.98 is: 101,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,209.84 : 175,529.12 = 73,501.98 : x
  2. Step 2: Convert to fraction form
    127,209.84/175,529.12 = 73,501.98/x
  3. Step 3: Cross multiply
    127,209.84x = 175,529.12 × 73,501.98
  4. Step 4: Simplify right side
    127,209.84x = 12,901,737,500.15
  5. Step 5: Solve for x
    x = 12,901,737,500.15/127,209.84
  6. Step 6: Final answer
    x = 101,420.91

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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.