Home / 159,973.20-239,985.72-66,484.08

Finding the Fourth Proportional to 159,973.20, 239,985.72 and 66,484.08

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Solution

The fourth proportional to 159,973.20, 239,985.72 and 66,484.08 is: 99,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,973.20 : 239,985.72 = 66,484.08 : x
  2. Step 2: Convert to fraction form
    159,973.20/239,985.72 = 66,484.08/x
  3. Step 3: Cross multiply
    159,973.20x = 239,985.72 × 66,484.08
  4. Step 4: Simplify right side
    159,973.20x = 15,955,229,807.34
  5. Step 5: Solve for x
    x = 15,955,229,807.34/159,973.20
  6. Step 6: Final answer
    x = 99,736.89

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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.