Home / 121,586.50-182,380.56-38,480.50

Finding the Fourth Proportional to 121,586.50, 182,380.56 and 38,480.50

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Solution

The fourth proportional to 121,586.50, 182,380.56 and 38,480.50 is: 57,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,586.50 : 182,380.56 = 38,480.50 : x
  2. Step 2: Convert to fraction form
    121,586.50/182,380.56 = 38,480.50/x
  3. Step 3: Cross multiply
    121,586.50x = 182,380.56 × 38,480.50
  4. Step 4: Simplify right side
    121,586.50x = 7,018,095,139.08
  5. Step 5: Solve for x
    x = 7,018,095,139.08/121,586.50
  6. Step 6: Final answer
    x = 57,721.01

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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.