Home / 117,280.60-175,970.72-58,117.40

Finding the Fourth Proportional to 117,280.60, 175,970.72 and 58,117.40

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Solution

The fourth proportional to 117,280.60, 175,970.72 and 58,117.40 is: 87,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,280.60 : 175,970.72 = 58,117.40 : x
  2. Step 2: Convert to fraction form
    117,280.60/175,970.72 = 58,117.40/x
  3. Step 3: Cross multiply
    117,280.60x = 175,970.72 × 58,117.40
  4. Step 4: Simplify right side
    117,280.60x = 10,226,960,722.53
  5. Step 5: Solve for x
    x = 10,226,960,722.53/117,280.60
  6. Step 6: Final answer
    x = 87,200.79

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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.