Home / 135,637.75-187,182.35-75,210.94

Finding the Fourth Proportional to 135,637.75, 187,182.35 and 75,210.94

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Solution

The fourth proportional to 135,637.75, 187,182.35 and 75,210.94 is: 103,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,637.75 : 187,182.35 = 75,210.94 : x
  2. Step 2: Convert to fraction form
    135,637.75/187,182.35 = 75,210.94/x
  3. Step 3: Cross multiply
    135,637.75x = 187,182.35 × 75,210.94
  4. Step 4: Simplify right side
    135,637.75x = 14,078,160,494.91
  5. Step 5: Solve for x
    x = 14,078,160,494.91/135,637.75
  6. Step 6: Final answer
    x = 103,792.35

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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.