Home / 103,587.26-142,955.69-58,272.62

Finding the Fourth Proportional to 103,587.26, 142,955.69 and 58,272.62

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Solution

The fourth proportional to 103,587.26, 142,955.69 and 58,272.62 is: 80,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,587.26 : 142,955.69 = 58,272.62 : x
  2. Step 2: Convert to fraction form
    103,587.26/142,955.69 = 58,272.62/x
  3. Step 3: Cross multiply
    103,587.26x = 142,955.69 × 58,272.62
  4. Step 4: Simplify right side
    103,587.26x = 8,330,401,594.07
  5. Step 5: Solve for x
    x = 8,330,401,594.07/103,587.26
  6. Step 6: Final answer
    x = 80,419.18

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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.