Home / 126,157.06-174,088.79-72,404.24

Finding the Fourth Proportional to 126,157.06, 174,088.79 and 72,404.24

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Solution

The fourth proportional to 126,157.06, 174,088.79 and 72,404.24 is: 99,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,157.06 : 174,088.79 = 72,404.24 : x
  2. Step 2: Convert to fraction form
    126,157.06/174,088.79 = 72,404.24/x
  3. Step 3: Cross multiply
    126,157.06x = 174,088.79 × 72,404.24
  4. Step 4: Simplify right side
    126,157.06x = 12,604,766,532.47
  5. Step 5: Solve for x
    x = 12,604,766,532.47/126,157.06
  6. Step 6: Final answer
    x = 99,913.29

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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.