Home / 153,032.40-211,124.24-88,489.76

Finding the Fourth Proportional to 153,032.40, 211,124.24 and 88,489.76

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Solution

The fourth proportional to 153,032.40, 211,124.24 and 88,489.76 is: 122,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,032.40 : 211,124.24 = 88,489.76 : x
  2. Step 2: Convert to fraction form
    153,032.40/211,124.24 = 88,489.76/x
  3. Step 3: Cross multiply
    153,032.40x = 211,124.24 × 88,489.76
  4. Step 4: Simplify right side
    153,032.40x = 18,682,333,327.78
  5. Step 5: Solve for x
    x = 18,682,333,327.78/153,032.40
  6. Step 6: Final answer
    x = 122,080.90

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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.