Home / 89,136.95-133,749.45-39,210.77

Finding the Fourth Proportional to 89,136.95, 133,749.45 and 39,210.77

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Solution

The fourth proportional to 89,136.95, 133,749.45 and 39,210.77 is: 58,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,136.95 : 133,749.45 = 39,210.77 : x
  2. Step 2: Convert to fraction form
    89,136.95/133,749.45 = 39,210.77/x
  3. Step 3: Cross multiply
    89,136.95x = 133,749.45 × 39,210.77
  4. Step 4: Simplify right side
    89,136.95x = 5,244,418,252.83
  5. Step 5: Solve for x
    x = 5,244,418,252.83/89,136.95
  6. Step 6: Final answer
    x = 58,835.52

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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.