Home / 261,983.16-392,973.66-74,994.66

Finding the Fourth Proportional to 261,983.16, 392,973.66 and 74,994.66

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Solution

The fourth proportional to 261,983.16, 392,973.66 and 74,994.66 is: 112,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,983.16 : 392,973.66 = 74,994.66 : x
  2. Step 2: Convert to fraction form
    261,983.16/392,973.66 = 74,994.66/x
  3. Step 3: Cross multiply
    261,983.16x = 392,973.66 × 74,994.66
  4. Step 4: Simplify right side
    261,983.16x = 29,470,926,020.66
  5. Step 5: Solve for x
    x = 29,470,926,020.66/261,983.16
  6. Step 6: Final answer
    x = 112,491.68

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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.