Home / 172,277.85-237,859.02-154,071.48

Finding the Fourth Proportional to 172,277.85, 237,859.02 and 154,071.48

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Solution

The fourth proportional to 172,277.85, 237,859.02 and 154,071.48 is: 212,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,277.85 : 237,859.02 = 154,071.48 : x
  2. Step 2: Convert to fraction form
    172,277.85/237,859.02 = 154,071.48/x
  3. Step 3: Cross multiply
    172,277.85x = 237,859.02 × 154,071.48
  4. Step 4: Simplify right side
    172,277.85x = 36,647,291,242.75
  5. Step 5: Solve for x
    x = 36,647,291,242.75/172,277.85
  6. Step 6: Final answer
    x = 212,722.01

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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.