Home / 103,342.65-142,611.60-58,019.50

Finding the Fourth Proportional to 103,342.65, 142,611.60 and 58,019.50

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Solution

The fourth proportional to 103,342.65, 142,611.60 and 58,019.50 is: 80,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,342.65 : 142,611.60 = 58,019.50 : x
  2. Step 2: Convert to fraction form
    103,342.65/142,611.60 = 58,019.50/x
  3. Step 3: Cross multiply
    103,342.65x = 142,611.60 × 58,019.50
  4. Step 4: Simplify right side
    103,342.65x = 8,274,253,726.20
  5. Step 5: Solve for x
    x = 8,274,253,726.20/103,342.65
  6. Step 6: Final answer
    x = 80,066.20

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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.