Home / 261,666.36-392,499.96-74,677.92

Finding the Fourth Proportional to 261,666.36, 392,499.96 and 74,677.92

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Solution

The fourth proportional to 261,666.36, 392,499.96 and 74,677.92 is: 112,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,666.36 : 392,499.96 = 74,677.92 : x
  2. Step 2: Convert to fraction form
    261,666.36/392,499.96 = 74,677.92/x
  3. Step 3: Cross multiply
    261,666.36x = 392,499.96 × 74,677.92
  4. Step 4: Simplify right side
    261,666.36x = 29,311,080,612.88
  5. Step 5: Solve for x
    x = 29,311,080,612.88/261,666.36
  6. Step 6: Final answer
    x = 112,017.00

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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.