Home / 147,599.02-221,420.40-77,483.80

Finding the Fourth Proportional to 147,599.02, 221,420.40 and 77,483.80

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Solution

The fourth proportional to 147,599.02, 221,420.40 and 77,483.80 is: 116,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,599.02 : 221,420.40 = 77,483.80 : x
  2. Step 2: Convert to fraction form
    147,599.02/221,420.40 = 77,483.80/x
  3. Step 3: Cross multiply
    147,599.02x = 221,420.40 × 77,483.80
  4. Step 4: Simplify right side
    147,599.02x = 17,156,493,989.52
  5. Step 5: Solve for x
    x = 17,156,493,989.52/147,599.02
  6. Step 6: Final answer
    x = 116,237.18

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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.