Home / 152,788.32-210,677.49-99,002.70

Finding the Fourth Proportional to 152,788.32, 210,677.49 and 99,002.70

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Solution

The fourth proportional to 152,788.32, 210,677.49 and 99,002.70 is: 136,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,788.32 : 210,677.49 = 99,002.70 : x
  2. Step 2: Convert to fraction form
    152,788.32/210,677.49 = 99,002.70/x
  3. Step 3: Cross multiply
    152,788.32x = 210,677.49 × 99,002.70
  4. Step 4: Simplify right side
    152,788.32x = 20,857,640,339.22
  5. Step 5: Solve for x
    x = 20,857,640,339.22/152,788.32
  6. Step 6: Final answer
    x = 136,513.32

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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.