Home / 145,756.58-218,141.08-89,632.23

Finding the Fourth Proportional to 145,756.58, 218,141.08 and 89,632.23

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Solution

The fourth proportional to 145,756.58, 218,141.08 and 89,632.23 is: 134,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,756.58 : 218,141.08 = 89,632.23 : x
  2. Step 2: Convert to fraction form
    145,756.58/218,141.08 = 89,632.23/x
  3. Step 3: Cross multiply
    145,756.58x = 218,141.08 × 89,632.23
  4. Step 4: Simplify right side
    145,756.58x = 19,552,471,455.01
  5. Step 5: Solve for x
    x = 19,552,471,455.01/145,756.58
  6. Step 6: Final answer
    x = 134,144.69

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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.