Home / 149,931.54-224,970.62-65,680.20

Finding the Fourth Proportional to 149,931.54, 224,970.62 and 65,680.20

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Solution

The fourth proportional to 149,931.54, 224,970.62 and 65,680.20 is: 98,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,931.54 : 224,970.62 = 65,680.20 : x
  2. Step 2: Convert to fraction form
    149,931.54/224,970.62 = 65,680.20/x
  3. Step 3: Cross multiply
    149,931.54x = 224,970.62 × 65,680.20
  4. Step 4: Simplify right side
    149,931.54x = 14,776,114,987.32
  5. Step 5: Solve for x
    x = 14,776,114,987.32/149,931.54
  6. Step 6: Final answer
    x = 98,552.41

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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.