Home / 142,274.64-213,207.30-104,538.36

Finding the Fourth Proportional to 142,274.64, 213,207.30 and 104,538.36

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Solution

The fourth proportional to 142,274.64, 213,207.30 and 104,538.36 is: 156,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,274.64 : 213,207.30 = 104,538.36 : x
  2. Step 2: Convert to fraction form
    142,274.64/213,207.30 = 104,538.36/x
  3. Step 3: Cross multiply
    142,274.64x = 213,207.30 × 104,538.36
  4. Step 4: Simplify right side
    142,274.64x = 22,288,341,482.03
  5. Step 5: Solve for x
    x = 22,288,341,482.03/142,274.64
  6. Step 6: Final answer
    x = 156,657.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.