Home / 147,591.02-221,408.40-77,475.80

Finding the Fourth Proportional to 147,591.02, 221,408.40 and 77,475.80

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Solution

The fourth proportional to 147,591.02, 221,408.40 and 77,475.80 is: 116,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,591.02 : 221,408.40 = 77,475.80 : x
  2. Step 2: Convert to fraction form
    147,591.02/221,408.40 = 77,475.80/x
  3. Step 3: Cross multiply
    147,591.02x = 221,408.40 × 77,475.80
  4. Step 4: Simplify right side
    147,591.02x = 17,153,792,916.72
  5. Step 5: Solve for x
    x = 17,153,792,916.72/147,591.02
  6. Step 6: Final answer
    x = 116,225.18

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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.