Home / 153,222.40-229,833.60-136,892.80

Finding the Fourth Proportional to 153,222.40, 229,833.60 and 136,892.80

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Solution

The fourth proportional to 153,222.40, 229,833.60 and 136,892.80 is: 205,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,222.40 : 229,833.60 = 136,892.80 : x
  2. Step 2: Convert to fraction form
    153,222.40/229,833.60 = 136,892.80/x
  3. Step 3: Cross multiply
    153,222.40x = 229,833.60 × 136,892.80
  4. Step 4: Simplify right side
    153,222.40x = 31,462,565,038.08
  5. Step 5: Solve for x
    x = 31,462,565,038.08/153,222.40
  6. Step 6: Final answer
    x = 205,339.20

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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.