Home / 180,475.02-270,706.93-85,773.40

Finding the Fourth Proportional to 180,475.02, 270,706.93 and 85,773.40

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Solution

The fourth proportional to 180,475.02, 270,706.93 and 85,773.40 is: 128,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,475.02 : 270,706.93 = 85,773.40 : x
  2. Step 2: Convert to fraction form
    180,475.02/270,706.93 = 85,773.40/x
  3. Step 3: Cross multiply
    180,475.02x = 270,706.93 × 85,773.40
  4. Step 4: Simplify right side
    180,475.02x = 23,219,452,898.46
  5. Step 5: Solve for x
    x = 23,219,452,898.46/180,475.02
  6. Step 6: Final answer
    x = 128,657.43

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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.