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Finding the Fourth Proportional to 92,992.02, 128,210.22 and 60,228.57

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Solution

The fourth proportional to 92,992.02, 128,210.22 and 60,228.57 is: 83,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,992.02 : 128,210.22 = 60,228.57 : x
  2. Step 2: Convert to fraction form
    92,992.02/128,210.22 = 60,228.57/x
  3. Step 3: Cross multiply
    92,992.02x = 128,210.22 × 60,228.57
  4. Step 4: Simplify right side
    92,992.02x = 7,721,918,209.99
  5. Step 5: Solve for x
    x = 7,721,918,209.99/92,992.02
  6. Step 6: Final answer
    x = 83,038.50

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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.