Home / 152,777.30-210,829.49-84,790.28

Finding the Fourth Proportional to 152,777.30, 210,829.49 and 84,790.28

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Solution

The fourth proportional to 152,777.30, 210,829.49 and 84,790.28 is: 117,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,777.30 : 210,829.49 = 84,790.28 : x
  2. Step 2: Convert to fraction form
    152,777.30/210,829.49 = 84,790.28/x
  3. Step 3: Cross multiply
    152,777.30x = 210,829.49 × 84,790.28
  4. Step 4: Simplify right side
    152,777.30x = 17,876,291,489.36
  5. Step 5: Solve for x
    x = 17,876,291,489.36/152,777.30
  6. Step 6: Final answer
    x = 117,008.82

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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.