Home / 152,876.40-229,303.80-53,012.40

Finding the Fourth Proportional to 152,876.40, 229,303.80 and 53,012.40

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Solution

The fourth proportional to 152,876.40, 229,303.80 and 53,012.40 is: 79,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,876.40 : 229,303.80 = 53,012.40 : x
  2. Step 2: Convert to fraction form
    152,876.40/229,303.80 = 53,012.40/x
  3. Step 3: Cross multiply
    152,876.40x = 229,303.80 × 53,012.40
  4. Step 4: Simplify right side
    152,876.40x = 12,155,944,767.12
  5. Step 5: Solve for x
    x = 12,155,944,767.12/152,876.40
  6. Step 6: Final answer
    x = 79,514.85

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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.