Home / 152,930.10-211,036.40-84,951.45

Finding the Fourth Proportional to 152,930.10, 211,036.40 and 84,951.45

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Solution

The fourth proportional to 152,930.10, 211,036.40 and 84,951.45 is: 117,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,930.10 : 211,036.40 = 84,951.45 : x
  2. Step 2: Convert to fraction form
    152,930.10/211,036.40 = 84,951.45/x
  3. Step 3: Cross multiply
    152,930.10x = 211,036.40 × 84,951.45
  4. Step 4: Simplify right side
    152,930.10x = 17,927,847,758.02
  5. Step 5: Solve for x
    x = 17,927,847,758.02/152,930.10
  6. Step 6: Final answer
    x = 117,229.03

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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.