Home / 254,530.17-351,209.49-147,110.21

Finding the Fourth Proportional to 254,530.17, 351,209.49 and 147,110.21

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Solution

The fourth proportional to 254,530.17, 351,209.49 and 147,110.21 is: 202,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,530.17 : 351,209.49 = 147,110.21 : x
  2. Step 2: Convert to fraction form
    254,530.17/351,209.49 = 147,110.21/x
  3. Step 3: Cross multiply
    254,530.17x = 351,209.49 × 147,110.21
  4. Step 4: Simplify right side
    254,530.17x = 51,666,500,071.85
  5. Step 5: Solve for x
    x = 51,666,500,071.85/254,530.17
  6. Step 6: Final answer
    x = 202,987.72

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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.