Home / 152,400.72-210,197.52-133,505.04

Finding the Fourth Proportional to 152,400.72, 210,197.52 and 133,505.04

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Solution

The fourth proportional to 152,400.72, 210,197.52 and 133,505.04 is: 184,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,400.72 : 210,197.52 = 133,505.04 : x
  2. Step 2: Convert to fraction form
    152,400.72/210,197.52 = 133,505.04/x
  3. Step 3: Cross multiply
    152,400.72x = 210,197.52 × 133,505.04
  4. Step 4: Simplify right side
    152,400.72x = 28,062,428,315.50
  5. Step 5: Solve for x
    x = 28,062,428,315.50/152,400.72
  6. Step 6: Final answer
    x = 184,135.80

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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.