Home / 210,582.32-290,604.12-115,090.16

Finding the Fourth Proportional to 210,582.32, 290,604.12 and 115,090.16

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Solution

The fourth proportional to 210,582.32, 290,604.12 and 115,090.16 is: 158,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,582.32 : 290,604.12 = 115,090.16 : x
  2. Step 2: Convert to fraction form
    210,582.32/290,604.12 = 115,090.16/x
  3. Step 3: Cross multiply
    210,582.32x = 290,604.12 × 115,090.16
  4. Step 4: Simplify right side
    210,582.32x = 33,445,674,667.46
  5. Step 5: Solve for x
    x = 33,445,674,667.46/210,582.32
  6. Step 6: Final answer
    x = 158,824.70

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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.