Home / 172,089.04-258,094.64-65,434.96

Finding the Fourth Proportional to 172,089.04, 258,094.64 and 65,434.96

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Solution

The fourth proportional to 172,089.04, 258,094.64 and 65,434.96 is: 98,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,089.04 : 258,094.64 = 65,434.96 : x
  2. Step 2: Convert to fraction form
    172,089.04/258,094.64 = 65,434.96/x
  3. Step 3: Cross multiply
    172,089.04x = 258,094.64 × 65,434.96
  4. Step 4: Simplify right side
    172,089.04x = 16,888,412,444.61
  5. Step 5: Solve for x
    x = 16,888,412,444.61/172,089.04
  6. Step 6: Final answer
    x = 98,137.64

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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.