Home / 152,790.33-210,846.63-84,807.12

Finding the Fourth Proportional to 152,790.33, 210,846.63 and 84,807.12

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Solution

The fourth proportional to 152,790.33, 210,846.63 and 84,807.12 is: 117,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,790.33 : 210,846.63 = 84,807.12 : x
  2. Step 2: Convert to fraction form
    152,790.33/210,846.63 = 84,807.12/x
  3. Step 3: Cross multiply
    152,790.33x = 210,846.63 × 84,807.12
  4. Step 4: Simplify right side
    152,790.33x = 17,881,295,452.01
  5. Step 5: Solve for x
    x = 17,881,295,452.01/152,790.33
  6. Step 6: Final answer
    x = 117,031.59

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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.