Home / 152,712.90-228,923.55-118,960.20

Finding the Fourth Proportional to 152,712.90, 228,923.55 and 118,960.20

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Solution

The fourth proportional to 152,712.90, 228,923.55 and 118,960.20 is: 178,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,712.90 : 228,923.55 = 118,960.20 : x
  2. Step 2: Convert to fraction form
    152,712.90/228,923.55 = 118,960.20/x
  3. Step 3: Cross multiply
    152,712.90x = 228,923.55 × 118,960.20
  4. Step 4: Simplify right side
    152,712.90x = 27,232,791,292.71
  5. Step 5: Solve for x
    x = 27,232,791,292.71/152,712.90
  6. Step 6: Final answer
    x = 178,326.72

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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.