Home / 147,777.30-221,665.95-88,679.70

Finding the Fourth Proportional to 147,777.30, 221,665.95 and 88,679.70

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Solution

The fourth proportional to 147,777.30, 221,665.95 and 88,679.70 is: 133,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,777.30 : 221,665.95 = 88,679.70 : x
  2. Step 2: Convert to fraction form
    147,777.30/221,665.95 = 88,679.70/x
  3. Step 3: Cross multiply
    147,777.30x = 221,665.95 × 88,679.70
  4. Step 4: Simplify right side
    147,777.30x = 19,657,269,946.22
  5. Step 5: Solve for x
    x = 19,657,269,946.22/147,777.30
  6. Step 6: Final answer
    x = 133,019.55

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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.