Home / 152,036.90-228,055.35-128,417.30

Finding the Fourth Proportional to 152,036.90, 228,055.35 and 128,417.30

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Solution

The fourth proportional to 152,036.90, 228,055.35 and 128,417.30 is: 192,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,036.90 : 228,055.35 = 128,417.30 : x
  2. Step 2: Convert to fraction form
    152,036.90/228,055.35 = 128,417.30/x
  3. Step 3: Cross multiply
    152,036.90x = 228,055.35 × 128,417.30
  4. Step 4: Simplify right side
    152,036.90x = 29,286,252,297.56
  5. Step 5: Solve for x
    x = 29,286,252,297.56/152,036.90
  6. Step 6: Final answer
    x = 192,625.95

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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.