Home / 286,195.20-429,292.80-99,225.60

Finding the Fourth Proportional to 286,195.20, 429,292.80 and 99,225.60

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Solution

The fourth proportional to 286,195.20, 429,292.80 and 99,225.60 is: 148,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,195.20 : 429,292.80 = 99,225.60 : x
  2. Step 2: Convert to fraction form
    286,195.20/429,292.80 = 99,225.60/x
  3. Step 3: Cross multiply
    286,195.20x = 429,292.80 × 99,225.60
  4. Step 4: Simplify right side
    286,195.20x = 42,596,835,655.68
  5. Step 5: Solve for x
    x = 42,596,835,655.68/286,195.20
  6. Step 6: Final answer
    x = 148,838.40

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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.