Home / 90,710.16-125,082.36-56,706.24

Finding the Fourth Proportional to 90,710.16, 125,082.36 and 56,706.24

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Solution

The fourth proportional to 90,710.16, 125,082.36 and 56,706.24 is: 78,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,710.16 : 125,082.36 = 56,706.24 : x
  2. Step 2: Convert to fraction form
    90,710.16/125,082.36 = 56,706.24/x
  3. Step 3: Cross multiply
    90,710.16x = 125,082.36 × 56,706.24
  4. Step 4: Simplify right side
    90,710.16x = 7,092,950,325.93
  5. Step 5: Solve for x
    x = 7,092,950,325.93/90,710.16
  6. Step 6: Final answer
    x = 78,193.56

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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.