Home / 153,977.96-210,946.28-148,221.28

Finding the Fourth Proportional to 153,977.96, 210,946.28 and 148,221.28

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Solution

The fourth proportional to 153,977.96, 210,946.28 and 148,221.28 is: 203,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,977.96 : 210,946.28 = 148,221.28 : x
  2. Step 2: Convert to fraction form
    153,977.96/210,946.28 = 148,221.28/x
  3. Step 3: Cross multiply
    153,977.96x = 210,946.28 × 148,221.28
  4. Step 4: Simplify right side
    153,977.96x = 31,266,726,364.37
  5. Step 5: Solve for x
    x = 31,266,726,364.37/153,977.96
  6. Step 6: Final answer
    x = 203,059.75

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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.