Home / 135,690.07-187,263.84-75,280.18

Finding the Fourth Proportional to 135,690.07, 187,263.84 and 75,280.18

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Solution

The fourth proportional to 135,690.07, 187,263.84 and 75,280.18 is: 103,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,690.07 : 187,263.84 = 75,280.18 : x
  2. Step 2: Convert to fraction form
    135,690.07/187,263.84 = 75,280.18/x
  3. Step 3: Cross multiply
    135,690.07x = 187,263.84 × 75,280.18
  4. Step 4: Simplify right side
    135,690.07x = 14,097,255,582.69
  5. Step 5: Solve for x
    x = 14,097,255,582.69/135,690.07
  6. Step 6: Final answer
    x = 103,893.05

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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.