Home / 152,392.04-228,437.36-72,289.52

Finding the Fourth Proportional to 152,392.04, 228,437.36 and 72,289.52

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Solution

The fourth proportional to 152,392.04, 228,437.36 and 72,289.52 is: 108,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,392.04 : 228,437.36 = 72,289.52 : x
  2. Step 2: Convert to fraction form
    152,392.04/228,437.36 = 72,289.52/x
  3. Step 3: Cross multiply
    152,392.04x = 228,437.36 × 72,289.52
  4. Step 4: Simplify right side
    152,392.04x = 16,513,627,104.47
  5. Step 5: Solve for x
    x = 16,513,627,104.47/152,392.04
  6. Step 6: Final answer
    x = 108,362.79

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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.