Home / 91,478.42-137,162.95-35,271.92

Finding the Fourth Proportional to 91,478.42, 137,162.95 and 35,271.92

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Solution

The fourth proportional to 91,478.42, 137,162.95 and 35,271.92 is: 52,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,478.42 : 137,162.95 = 35,271.92 : x
  2. Step 2: Convert to fraction form
    91,478.42/137,162.95 = 35,271.92/x
  3. Step 3: Cross multiply
    91,478.42x = 137,162.95 × 35,271.92
  4. Step 4: Simplify right side
    91,478.42x = 4,838,000,599.36
  5. Step 5: Solve for x
    x = 4,838,000,599.36/91,478.42
  6. Step 6: Final answer
    x = 52,886.80

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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.