Home / 210,581.76-290,516-146,956.48

Finding the Fourth Proportional to 210,581.76, 290,516 and 146,956.48

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Solution

The fourth proportional to 210,581.76, 290,516 and 146,956.48 is: 202,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,581.76 : 290,516 = 146,956.48 : x
  2. Step 2: Convert to fraction form
    210,581.76/290,516 = 146,956.48/x
  3. Step 3: Cross multiply
    210,581.76x = 290,516 × 146,956.48
  4. Step 4: Simplify right side
    210,581.76x = 42,693,208,743.68
  5. Step 5: Solve for x
    x = 42,693,208,743.68/210,581.76
  6. Step 6: Final answer
    x = 202,739.35

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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.