Home / 145,002.08-199,987.44-119,807.84

Finding the Fourth Proportional to 145,002.08, 199,987.44 and 119,807.84

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Solution

The fourth proportional to 145,002.08, 199,987.44 and 119,807.84 is: 165,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,002.08 : 199,987.44 = 119,807.84 : x
  2. Step 2: Convert to fraction form
    145,002.08/199,987.44 = 119,807.84/x
  3. Step 3: Cross multiply
    145,002.08x = 199,987.44 × 119,807.84
  4. Step 4: Simplify right side
    145,002.08x = 23,960,063,213.53
  5. Step 5: Solve for x
    x = 23,960,063,213.53/145,002.08
  6. Step 6: Final answer
    x = 165,239.44

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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.