Home / 87,473.24-130,527.35-78,048.44

Finding the Fourth Proportional to 87,473.24, 130,527.35 and 78,048.44

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Solution

The fourth proportional to 87,473.24, 130,527.35 and 78,048.44 is: 116,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,473.24 : 130,527.35 = 78,048.44 : x
  2. Step 2: Convert to fraction form
    87,473.24/130,527.35 = 78,048.44/x
  3. Step 3: Cross multiply
    87,473.24x = 130,527.35 × 78,048.44
  4. Step 4: Simplify right side
    87,473.24x = 10,187,455,587.32
  5. Step 5: Solve for x
    x = 10,187,455,587.32/87,473.24
  6. Step 6: Final answer
    x = 116,463.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.