Home / 114,720.90-158,250.66-72,205.62

Finding the Fourth Proportional to 114,720.90, 158,250.66 and 72,205.62

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Solution

The fourth proportional to 114,720.90, 158,250.66 and 72,205.62 is: 99,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,720.90 : 158,250.66 = 72,205.62 : x
  2. Step 2: Convert to fraction form
    114,720.90/158,250.66 = 72,205.62/x
  3. Step 3: Cross multiply
    114,720.90x = 158,250.66 × 72,205.62
  4. Step 4: Simplify right side
    114,720.90x = 11,426,587,020.71
  5. Step 5: Solve for x
    x = 11,426,587,020.71/114,720.90
  6. Step 6: Final answer
    x = 99,603.36

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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.