Home / 103,365.12-142,645.35-58,052.88

Finding the Fourth Proportional to 103,365.12, 142,645.35 and 58,052.88

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Solution

The fourth proportional to 103,365.12, 142,645.35 and 58,052.88 is: 80,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,365.12 : 142,645.35 = 58,052.88 : x
  2. Step 2: Convert to fraction form
    103,365.12/142,645.35 = 58,052.88/x
  3. Step 3: Cross multiply
    103,365.12x = 142,645.35 × 58,052.88
  4. Step 4: Simplify right side
    103,365.12x = 8,280,973,386.11
  5. Step 5: Solve for x
    x = 8,280,973,386.11/103,365.12
  6. Step 6: Final answer
    x = 80,113.81

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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.