Home / 106,020.86-159,030.97-42,840.24

Finding the Fourth Proportional to 106,020.86, 159,030.97 and 42,840.24

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Solution

The fourth proportional to 106,020.86, 159,030.97 and 42,840.24 is: 64,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,020.86 : 159,030.97 = 42,840.24 : x
  2. Step 2: Convert to fraction form
    106,020.86/159,030.97 = 42,840.24/x
  3. Step 3: Cross multiply
    106,020.86x = 159,030.97 × 42,840.24
  4. Step 4: Simplify right side
    106,020.86x = 6,812,924,922.23
  5. Step 5: Solve for x
    x = 6,812,924,922.23/106,020.86
  6. Step 6: Final answer
    x = 64,260.23

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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.