Home / 210,389.30-290,339.55-114,898.81

Finding the Fourth Proportional to 210,389.30, 290,339.55 and 114,898.81

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Solution

The fourth proportional to 210,389.30, 290,339.55 and 114,898.81 is: 158,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,389.30 : 290,339.55 = 114,898.81 : x
  2. Step 2: Convert to fraction form
    210,389.30/290,339.55 = 114,898.81/x
  3. Step 3: Cross multiply
    210,389.30x = 290,339.55 × 114,898.81
  4. Step 4: Simplify right side
    210,389.30x = 33,359,666,764.74
  5. Step 5: Solve for x
    x = 33,359,666,764.74/210,389.30
  6. Step 6: Final answer
    x = 158,561.61

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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.