Home / 286,132.75-429,275.67-99,144.25

Finding the Fourth Proportional to 286,132.75, 429,275.67 and 99,144.25

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Solution

The fourth proportional to 286,132.75, 429,275.67 and 99,144.25 is: 148,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,132.75 : 429,275.67 = 99,144.25 : x
  2. Step 2: Convert to fraction form
    286,132.75/429,275.67 = 99,144.25/x
  3. Step 3: Cross multiply
    286,132.75x = 429,275.67 × 99,144.25
  4. Step 4: Simplify right side
    286,132.75x = 42,560,214,345.40
  5. Step 5: Solve for x
    x = 42,560,214,345.40/286,132.75
  6. Step 6: Final answer
    x = 148,742.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.