Home / 145,300.22-200,603.76-115,207.10

Finding the Fourth Proportional to 145,300.22, 200,603.76 and 115,207.10

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Solution

The fourth proportional to 145,300.22, 200,603.76 and 115,207.10 is: 159,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,300.22 : 200,603.76 = 115,207.10 : x
  2. Step 2: Convert to fraction form
    145,300.22/200,603.76 = 115,207.10/x
  3. Step 3: Cross multiply
    145,300.22x = 200,603.76 × 115,207.10
  4. Step 4: Simplify right side
    145,300.22x = 23,110,977,438.70
  5. Step 5: Solve for x
    x = 23,110,977,438.70/145,300.22
  6. Step 6: Final answer
    x = 159,056.73

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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.