Home / 159,148.09-219,624.28-87,532.93

Finding the Fourth Proportional to 159,148.09, 219,624.28 and 87,532.93

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Solution

The fourth proportional to 159,148.09, 219,624.28 and 87,532.93 is: 120,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,148.09 : 219,624.28 = 87,532.93 : x
  2. Step 2: Convert to fraction form
    159,148.09/219,624.28 = 87,532.93/x
  3. Step 3: Cross multiply
    159,148.09x = 219,624.28 × 87,532.93
  4. Step 4: Simplify right side
    159,148.09x = 19,224,356,727.54
  5. Step 5: Solve for x
    x = 19,224,356,727.54/159,148.09
  6. Step 6: Final answer
    x = 120,795.40

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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.