Home / 89,154.23-133,752.06-25,981.07

Finding the Fourth Proportional to 89,154.23, 133,752.06 and 25,981.07

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Solution

The fourth proportional to 89,154.23, 133,752.06 and 25,981.07 is: 38,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154.23 : 133,752.06 = 25,981.07 : x
  2. Step 2: Convert to fraction form
    89,154.23/133,752.06 = 25,981.07/x
  3. Step 3: Cross multiply
    89,154.23x = 133,752.06 × 25,981.07
  4. Step 4: Simplify right side
    89,154.23x = 3,475,020,964.74
  5. Step 5: Solve for x
    x = 3,475,020,964.74/89,154.23
  6. Step 6: Final answer
    x = 38,977.64

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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.