Home / 145,808.39-199,903.28-143,151.18

Finding the Fourth Proportional to 145,808.39, 199,903.28 and 143,151.18

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Solution

The fourth proportional to 145,808.39, 199,903.28 and 143,151.18 is: 196,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,808.39 : 199,903.28 = 143,151.18 : x
  2. Step 2: Convert to fraction form
    145,808.39/199,903.28 = 143,151.18/x
  3. Step 3: Cross multiply
    145,808.39x = 199,903.28 × 143,151.18
  4. Step 4: Simplify right side
    145,808.39x = 28,616,389,702.11
  5. Step 5: Solve for x
    x = 28,616,389,702.11/145,808.39
  6. Step 6: Final answer
    x = 196,260.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.