Home / 155,364.02-214,431.76-97,247.70

Finding the Fourth Proportional to 155,364.02, 214,431.76 and 97,247.70

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Solution

The fourth proportional to 155,364.02, 214,431.76 and 97,247.70 is: 134,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,364.02 : 214,431.76 = 97,247.70 : x
  2. Step 2: Convert to fraction form
    155,364.02/214,431.76 = 97,247.70/x
  3. Step 3: Cross multiply
    155,364.02x = 214,431.76 × 97,247.70
  4. Step 4: Simplify right side
    155,364.02x = 20,852,995,466.95
  5. Step 5: Solve for x
    x = 20,852,995,466.95/155,364.02
  6. Step 6: Final answer
    x = 134,220.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.