Home / 207,529.45-310,590.50-127,617.61

Finding the Fourth Proportional to 207,529.45, 310,590.50 and 127,617.61

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Solution

The fourth proportional to 207,529.45, 310,590.50 and 127,617.61 is: 190,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,529.45 : 310,590.50 = 127,617.61 : x
  2. Step 2: Convert to fraction form
    207,529.45/310,590.50 = 127,617.61/x
  3. Step 3: Cross multiply
    207,529.45x = 310,590.50 × 127,617.61
  4. Step 4: Simplify right side
    207,529.45x = 39,636,817,298.71
  5. Step 5: Solve for x
    x = 39,636,817,298.71/207,529.45
  6. Step 6: Final answer
    x = 190,993.70

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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.