Home / 210,443.20-290,336.16-124,384.16

Finding the Fourth Proportional to 210,443.20, 290,336.16 and 124,384.16

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Solution

The fourth proportional to 210,443.20, 290,336.16 and 124,384.16 is: 171,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,443.20 : 290,336.16 = 124,384.16 : x
  2. Step 2: Convert to fraction form
    210,443.20/290,336.16 = 124,384.16/x
  3. Step 3: Cross multiply
    210,443.20x = 290,336.16 × 124,384.16
  4. Step 4: Simplify right side
    210,443.20x = 36,113,219,379.23
  5. Step 5: Solve for x
    x = 36,113,219,379.23/210,443.20
  6. Step 6: Final answer
    x = 171,605.54

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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.