Home / 147,652.47-221,271.06-84,377.76

Finding the Fourth Proportional to 147,652.47, 221,271.06 and 84,377.76

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Solution

The fourth proportional to 147,652.47, 221,271.06 and 84,377.76 is: 126,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,652.47 : 221,271.06 = 84,377.76 : x
  2. Step 2: Convert to fraction form
    147,652.47/221,271.06 = 84,377.76/x
  3. Step 3: Cross multiply
    147,652.47x = 221,271.06 × 84,377.76
  4. Step 4: Simplify right side
    147,652.47x = 18,670,356,395.63
  5. Step 5: Solve for x
    x = 18,670,356,395.63/147,652.47
  6. Step 6: Final answer
    x = 126,447.98

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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.