Home / 100,435.04-150,421.78-58,210.68

Finding the Fourth Proportional to 100,435.04, 150,421.78 and 58,210.68

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Solution

The fourth proportional to 100,435.04, 150,421.78 and 58,210.68 is: 87,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,435.04 : 150,421.78 = 58,210.68 : x
  2. Step 2: Convert to fraction form
    100,435.04/150,421.78 = 58,210.68/x
  3. Step 3: Cross multiply
    100,435.04x = 150,421.78 × 58,210.68
  4. Step 4: Simplify right side
    100,435.04x = 8,756,153,631.99
  5. Step 5: Solve for x
    x = 8,756,153,631.99/100,435.04
  6. Step 6: Final answer
    x = 87,182.26

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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.