Home / 153,019.40-229,529.10-121,526.60

Finding the Fourth Proportional to 153,019.40, 229,529.10 and 121,526.60

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Solution

The fourth proportional to 153,019.40, 229,529.10 and 121,526.60 is: 182,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,019.40 : 229,529.10 = 121,526.60 : x
  2. Step 2: Convert to fraction form
    153,019.40/229,529.10 = 121,526.60/x
  3. Step 3: Cross multiply
    153,019.40x = 229,529.10 × 121,526.60
  4. Step 4: Simplify right side
    153,019.40x = 27,893,891,124.06
  5. Step 5: Solve for x
    x = 27,893,891,124.06/153,019.40
  6. Step 6: Final answer
    x = 182,289.90

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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.