Home / 154,130.40-231,192.36-71,024.40

Finding the Fourth Proportional to 154,130.40, 231,192.36 and 71,024.40

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Solution

The fourth proportional to 154,130.40, 231,192.36 and 71,024.40 is: 106,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,130.40 : 231,192.36 = 71,024.40 : x
  2. Step 2: Convert to fraction form
    154,130.40/231,192.36 = 71,024.40/x
  3. Step 3: Cross multiply
    154,130.40x = 231,192.36 × 71,024.40
  4. Step 4: Simplify right side
    154,130.40x = 16,420,298,653.58
  5. Step 5: Solve for x
    x = 16,420,298,653.58/154,130.40
  6. Step 6: Final answer
    x = 106,535.11

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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.