Home / 145,089.48-200,122.74-118,232.04

Finding the Fourth Proportional to 145,089.48, 200,122.74 and 118,232.04

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Solution

The fourth proportional to 145,089.48, 200,122.74 and 118,232.04 is: 163,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,089.48 : 200,122.74 = 118,232.04 : x
  2. Step 2: Convert to fraction form
    145,089.48/200,122.74 = 118,232.04/x
  3. Step 3: Cross multiply
    145,089.48x = 200,122.74 × 118,232.04
  4. Step 4: Simplify right side
    145,089.48x = 23,660,919,800.59
  5. Step 5: Solve for x
    x = 23,660,919,800.59/145,089.48
  6. Step 6: Final answer
    x = 163,078.12

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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.