Home / 154,630.95-213,493.50-118,756.86

Finding the Fourth Proportional to 154,630.95, 213,493.50 and 118,756.86

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Solution

The fourth proportional to 154,630.95, 213,493.50 and 118,756.86 is: 163,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,630.95 : 213,493.50 = 118,756.86 : x
  2. Step 2: Convert to fraction form
    154,630.95/213,493.50 = 118,756.86/x
  3. Step 3: Cross multiply
    154,630.95x = 213,493.50 × 118,756.86
  4. Step 4: Simplify right side
    154,630.95x = 25,353,817,690.41
  5. Step 5: Solve for x
    x = 25,353,817,690.41/154,630.95
  6. Step 6: Final answer
    x = 163,963.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.