Home / 152,780.56-210,833.11-84,795.77

Finding the Fourth Proportional to 152,780.56, 210,833.11 and 84,795.77

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Solution

The fourth proportional to 152,780.56, 210,833.11 and 84,795.77 is: 117,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,780.56 : 210,833.11 = 84,795.77 : x
  2. Step 2: Convert to fraction form
    152,780.56/210,833.11 = 84,795.77/x
  3. Step 3: Cross multiply
    152,780.56x = 210,833.11 × 84,795.77
  4. Step 4: Simplify right side
    152,780.56x = 17,877,756,537.02
  5. Step 5: Solve for x
    x = 17,877,756,537.02/152,780.56
  6. Step 6: Final answer
    x = 117,015.91

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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.