Home / 210,550.79-290,589.73-134,045.45

Finding the Fourth Proportional to 210,550.79, 290,589.73 and 134,045.45

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Solution

The fourth proportional to 210,550.79, 290,589.73 and 134,045.45 is: 185,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,550.79 : 290,589.73 = 134,045.45 : x
  2. Step 2: Convert to fraction form
    210,550.79/290,589.73 = 134,045.45/x
  3. Step 3: Cross multiply
    210,550.79x = 290,589.73 × 134,045.45
  4. Step 4: Simplify right side
    210,550.79x = 38,952,230,424.88
  5. Step 5: Solve for x
    x = 38,952,230,424.88/210,550.79
  6. Step 6: Final answer
    x = 185,001.59

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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.