Home / 302,005.13-453,010.42-91,643.06

Finding the Fourth Proportional to 302,005.13, 453,010.42 and 91,643.06

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Solution

The fourth proportional to 302,005.13, 453,010.42 and 91,643.06 is: 137,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,005.13 : 453,010.42 = 91,643.06 : x
  2. Step 2: Convert to fraction form
    302,005.13/453,010.42 = 91,643.06/x
  3. Step 3: Cross multiply
    302,005.13x = 453,010.42 × 91,643.06
  4. Step 4: Simplify right side
    302,005.13x = 41,515,262,347.77
  5. Step 5: Solve for x
    x = 41,515,262,347.77/302,005.13
  6. Step 6: Final answer
    x = 137,465.42

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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.