Home / 152,238.09-210,289.37-116,865.21

Finding the Fourth Proportional to 152,238.09, 210,289.37 and 116,865.21

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Solution

The fourth proportional to 152,238.09, 210,289.37 and 116,865.21 is: 161,428.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,238.09 : 210,289.37 = 116,865.21 : x
  2. Step 2: Convert to fraction form
    152,238.09/210,289.37 = 116,865.21/x
  3. Step 3: Cross multiply
    152,238.09x = 210,289.37 × 116,865.21
  4. Step 4: Simplify right side
    152,238.09x = 24,575,510,801.49
  5. Step 5: Solve for x
    x = 24,575,510,801.49/152,238.09
  6. Step 6: Final answer
    x = 161,428.13

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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.