Home / 153,981.28-210,950.81-148,224.60

Finding the Fourth Proportional to 153,981.28, 210,950.81 and 148,224.60

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Solution

The fourth proportional to 153,981.28, 210,950.81 and 148,224.60 is: 203,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,981.28 : 210,950.81 = 148,224.60 : x
  2. Step 2: Convert to fraction form
    153,981.28/210,950.81 = 148,224.60/x
  3. Step 3: Cross multiply
    153,981.28x = 210,950.81 × 148,224.60
  4. Step 4: Simplify right side
    153,981.28x = 31,268,098,829.76
  5. Step 5: Solve for x
    x = 31,268,098,829.76/153,981.28
  6. Step 6: Final answer
    x = 203,064.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.