Home / 100,851.90-151,278.60-37,686.30

Finding the Fourth Proportional to 100,851.90, 151,278.60 and 37,686.30

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Solution

The fourth proportional to 100,851.90, 151,278.60 and 37,686.30 is: 56,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851.90 : 151,278.60 = 37,686.30 : x
  2. Step 2: Convert to fraction form
    100,851.90/151,278.60 = 37,686.30/x
  3. Step 3: Cross multiply
    100,851.90x = 151,278.60 × 37,686.30
  4. Step 4: Simplify right side
    100,851.90x = 5,701,130,703.18
  5. Step 5: Solve for x
    x = 5,701,130,703.18/100,851.90
  6. Step 6: Final answer
    x = 56,529.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.