Home / 100,525.74-138,708.90-58,088.22

Finding the Fourth Proportional to 100,525.74, 138,708.90 and 58,088.22

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Solution

The fourth proportional to 100,525.74, 138,708.90 and 58,088.22 is: 80,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,525.74 : 138,708.90 = 58,088.22 : x
  2. Step 2: Convert to fraction form
    100,525.74/138,708.90 = 58,088.22/x
  3. Step 3: Cross multiply
    100,525.74x = 138,708.90 × 58,088.22
  4. Step 4: Simplify right side
    100,525.74x = 8,057,353,099.16
  5. Step 5: Solve for x
    x = 8,057,353,099.16/100,525.74
  6. Step 6: Final answer
    x = 80,152.14

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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.