Home / 135,518.49-187,013.04-75,088.91

Finding the Fourth Proportional to 135,518.49, 187,013.04 and 75,088.91

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Solution

The fourth proportional to 135,518.49, 187,013.04 and 75,088.91 is: 103,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,518.49 : 187,013.04 = 75,088.91 : x
  2. Step 2: Convert to fraction form
    135,518.49/187,013.04 = 75,088.91/x
  3. Step 3: Cross multiply
    135,518.49x = 187,013.04 × 75,088.91
  4. Step 4: Simplify right side
    135,518.49x = 14,042,604,394.32
  5. Step 5: Solve for x
    x = 14,042,604,394.32/135,518.49
  6. Step 6: Final answer
    x = 103,621.32

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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.