Home / 131,957.12-182,111.04-75,386.24

Finding the Fourth Proportional to 131,957.12, 182,111.04 and 75,386.24

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Solution

The fourth proportional to 131,957.12, 182,111.04 and 75,386.24 is: 104,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,957.12 : 182,111.04 = 75,386.24 : x
  2. Step 2: Convert to fraction form
    131,957.12/182,111.04 = 75,386.24/x
  3. Step 3: Cross multiply
    131,957.12x = 182,111.04 × 75,386.24
  4. Step 4: Simplify right side
    131,957.12x = 13,728,666,568.09
  5. Step 5: Solve for x
    x = 13,728,666,568.09/131,957.12
  6. Step 6: Final answer
    x = 104,038.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.