Home / 131,587.56-181,586.34-75,017.16

Finding the Fourth Proportional to 131,587.56, 181,586.34 and 75,017.16

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Solution

The fourth proportional to 131,587.56, 181,586.34 and 75,017.16 is: 103,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,587.56 : 181,586.34 = 75,017.16 : x
  2. Step 2: Convert to fraction form
    131,587.56/181,586.34 = 75,017.16/x
  3. Step 3: Cross multiply
    131,587.56x = 181,586.34 × 75,017.16
  4. Step 4: Simplify right side
    131,587.56x = 13,622,091,521.59
  5. Step 5: Solve for x
    x = 13,622,091,521.59/131,587.56
  6. Step 6: Final answer
    x = 103,521.12

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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.