Home / 210,590.28-290,610.06-118,708.92

Finding the Fourth Proportional to 210,590.28, 290,610.06 and 118,708.92

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Solution

The fourth proportional to 210,590.28, 290,610.06 and 118,708.92 is: 163,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,590.28 : 290,610.06 = 118,708.92 : x
  2. Step 2: Convert to fraction form
    210,590.28/290,610.06 = 118,708.92/x
  3. Step 3: Cross multiply
    210,590.28x = 290,610.06 × 118,708.92
  4. Step 4: Simplify right side
    210,590.28x = 34,498,006,363.74
  5. Step 5: Solve for x
    x = 34,498,006,363.74/210,590.28
  6. Step 6: Final answer
    x = 163,815.76

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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.