Home / 210,358.29-290,331.86-124,313.61

Finding the Fourth Proportional to 210,358.29, 290,331.86 and 124,313.61

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Solution

The fourth proportional to 210,358.29, 290,331.86 and 124,313.61 is: 171,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,358.29 : 290,331.86 = 124,313.61 : x
  2. Step 2: Convert to fraction form
    210,358.29/290,331.86 = 124,313.61/x
  3. Step 3: Cross multiply
    210,358.29x = 290,331.86 × 124,313.61
  4. Step 4: Simplify right side
    210,358.29x = 36,092,201,614.61
  5. Step 5: Solve for x
    x = 36,092,201,614.61/210,358.29
  6. Step 6: Final answer
    x = 171,574.90

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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.