Home / 120,352.02-180,400.86-64,157.46

Finding the Fourth Proportional to 120,352.02, 180,400.86 and 64,157.46

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Solution

The fourth proportional to 120,352.02, 180,400.86 and 64,157.46 is: 96,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,352.02 : 180,400.86 = 64,157.46 : x
  2. Step 2: Convert to fraction form
    120,352.02/180,400.86 = 64,157.46/x
  3. Step 3: Cross multiply
    120,352.02x = 180,400.86 × 64,157.46
  4. Step 4: Simplify right side
    120,352.02x = 11,574,060,959.42
  5. Step 5: Solve for x
    x = 11,574,060,959.42/120,352.02
  6. Step 6: Final answer
    x = 96,168.40

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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.