Home / 120,637.86-180,772.22-64,485.93

Finding the Fourth Proportional to 120,637.86, 180,772.22 and 64,485.93

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Solution

The fourth proportional to 120,637.86, 180,772.22 and 64,485.93 is: 96,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,637.86 : 180,772.22 = 64,485.93 : x
  2. Step 2: Convert to fraction form
    120,637.86/180,772.22 = 64,485.93/x
  3. Step 3: Cross multiply
    120,637.86x = 180,772.22 × 64,485.93
  4. Step 4: Simplify right side
    120,637.86x = 11,657,264,402.44
  5. Step 5: Solve for x
    x = 11,657,264,402.44/120,637.86
  6. Step 6: Final answer
    x = 96,630.23

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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.