Home / 145,009.34-200,112.01-84,575.24

Finding the Fourth Proportional to 145,009.34, 200,112.01 and 84,575.24

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Solution

The fourth proportional to 145,009.34, 200,112.01 and 84,575.24 is: 116,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,009.34 : 200,112.01 = 84,575.24 : x
  2. Step 2: Convert to fraction form
    145,009.34/200,112.01 = 84,575.24/x
  3. Step 3: Cross multiply
    145,009.34x = 200,112.01 × 84,575.24
  4. Step 4: Simplify right side
    145,009.34x = 16,924,521,272.63
  5. Step 5: Solve for x
    x = 16,924,521,272.63/145,009.34
  6. Step 6: Final answer
    x = 116,713.32

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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.