Home / 159,666.30-239,171.40-109,802.70

Finding the Fourth Proportional to 159,666.30, 239,171.40 and 109,802.70

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Solution

The fourth proportional to 159,666.30, 239,171.40 and 109,802.70 is: 164,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,666.30 : 239,171.40 = 109,802.70 : x
  2. Step 2: Convert to fraction form
    159,666.30/239,171.40 = 109,802.70/x
  3. Step 3: Cross multiply
    159,666.30x = 239,171.40 × 109,802.70
  4. Step 4: Simplify right side
    159,666.30x = 26,261,665,482.78
  5. Step 5: Solve for x
    x = 26,261,665,482.78/159,666.30
  6. Step 6: Final answer
    x = 164,478.45

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1.5x scale

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.