Home / 119,407.49-179,073.21-39,430.57

Finding the Fourth Proportional to 119,407.49, 179,073.21 and 39,430.57

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Solution

The fourth proportional to 119,407.49, 179,073.21 and 39,430.57 is: 59,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,407.49 : 179,073.21 = 39,430.57 : x
  2. Step 2: Convert to fraction form
    119,407.49/179,073.21 = 39,430.57/x
  3. Step 3: Cross multiply
    119,407.49x = 179,073.21 × 39,430.57
  4. Step 4: Simplify right side
    119,407.49x = 7,060,958,742.03
  5. Step 5: Solve for x
    x = 7,060,958,742.03/119,407.49
  6. Step 6: Final answer
    x = 59,133.30

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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.