Home / 89,211.24-133,127.48-79,271.46

Finding the Fourth Proportional to 89,211.24, 133,127.48 and 79,271.46

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Solution

The fourth proportional to 89,211.24, 133,127.48 and 79,271.46 is: 118,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.24 : 133,127.48 = 79,271.46 : x
  2. Step 2: Convert to fraction form
    89,211.24/133,127.48 = 79,271.46/x
  3. Step 3: Cross multiply
    89,211.24x = 133,127.48 × 79,271.46
  4. Step 4: Simplify right side
    89,211.24x = 10,553,209,903.90
  5. Step 5: Solve for x
    x = 10,553,209,903.90/89,211.24
  6. Step 6: Final answer
    x = 118,294.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.